Finding the best printer for high-volume home office work involves balancing speed, cost per page, reliability, and ease of use. The HP Color LaserJet Pro MFP 3301sdw stands out as the best overall choice, offering fast printing and solid multifunctionality. For those prioritizing low running costs, the HP Smart Tank 5101 and Epson EcoTank ET-2800 provide impressive refillable ink systems that minimize expenses. The main tradeoffs in this category often revolve around upfront cost versus long-term savings, or speed versus ease of maintenance. Continue reading for a detailed breakdown of these options and how to choose the right fit for your home office needs.
Key Takeaways
- Laser printers generally outperform inkjets in high-volume settings due to faster speeds and lower cost per page.
- Refillable ink tank models offer significant savings over time, especially for frequent printing, but may have higher initial costs.
- Multifunctionality (printing, scanning, copying) adds convenience but can increase complexity and price.
- Connectivity options like wireless and mobile printing are essential for flexible home office setups.
- Choosing a printer with reliable build quality and easy maintenance can reduce downtime in a high-volume environment.
| HP Color LaserJet Pro MFP 3301sdw Wireless All-in-One Color Laser Printer | ![]() | Best Overall for Small Office Teams | Print Speed: 26 ppm | Color Printing: Yes | Functions: Print, Scan, Copy | VIEW LATEST PRICE | See Our Full Breakdown |
| Brother HL-6210DW Laser Printer with High-Speed 50 ppm, Wireless Networking, and Duplex Printing | ![]() | Best for High-Volume Monochrome Printing | Print Speed: 50 ppm | Paper Capacity: 520 sheets (expandable to 1,660) | Connectivity: Gigabit Ethernet, Dual Band Wireless | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 5101 Wireless All-in-One Refillable Printer | ![]() | Best for Cost-Effective High-Volume Home Printing | Printer Type: All-in-One (Print, Scan, Copy) | Connectivity: Wireless | Ink: Refillable tank with 2 years of ink | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 6001 Wireless All-in-One Ink Tank Printer | ![]() | Best for Cartridge-Free, High-Volume Home Printing | Printer Type: All-in-One (Print, Copy, Scan) | Connectivity: Wireless | Ink System: Refillable Ink Tank | VIEW LATEST PRICE | See Our Full Breakdown |
| Epson EcoTank ET-2800 Wireless Color All-in-One Supertank Printer | ![]() | Best for Vivid Color and Cost Savings | Printer Type: All-in-One Supertank | Connectivity: Wireless | Color: Color | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 7001 Wireless All-in-One Ink Tank Printer | ![]() | Best Overall for High-Volume Home Office Printing | Print Speed: 15 ppm black, 9 ppm color | Functions: Print, Copy, Scan | Connectivity: Wireless, Mobile | VIEW LATEST PRICE | See Our Full Breakdown |
| HP OfficeJet Pro 8125e Wireless All-in-One Color Inkjet Printer | ![]() | Best for Fast, Multi-Function Home Office Workflows | Print Speed: up to 10 ppm color, 20 ppm black | Functions: Print, scan, copy, duplex, fax | Input Tray Capacity: 225 sheets | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 5000 Wireless All-in-One Ink Tank Printer | ![]() | Best Cartridge-Free, Mess-Free High-Volume Ink Tank Solution | Connectivity: Wireless | Functions: Printer, Scanner, Copier | Ink Type: Refillable Ink Tank | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 7301 Wireless All-in-One Ink Tank Printer | ![]() | Best for Reliable, Cost-Effective High-Volume Printing with AI | Printer Type: All-in-One (Print, Copy, Scan) | Connectivity: Wireless, Mobile Printing | Ink System: Refillable Ink Tanks | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Smart Tank 7602 Wireless All-in-One Ink Tank Printer | ![]() | Best Overall for High-Volume Home Office Printing | Printer Type: All-in-One (Print, Copy, Scan) | Connectivity: Wireless, Mobile Printing | Ink System: Refillable Ink Tanks | VIEW LATEST PRICE | See Our Full Breakdown |
| HP Color LaserJet Pro 3201dw Wireless Color Laser Printer | ![]() | Best for Speed and Professional-Quality Documents | Print Speed: 26 ppm (black/color) | Connectivity: Wireless (dual-band Wi-Fi) | Auto Duplex: Yes | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
HP Color LaserJet Pro MFP 3301sdw Wireless All-in-One Color Laser Printer
This model stands out for combining fast color printing with versatile all-in-one functionality, making it ideal for small teams that need professional-quality documents. Compared with the HP Smart Tank 5101, it offers significantly faster speeds and built-in duplex, but it requires original HP cartridges, which can increase ongoing costs. Its 250-sheet input tray and auto document feeder streamline high-volume tasks, though it’s primarily designed for small office environments rather than large-scale production. The wireless connectivity simplifies sharing among team members. For those prioritizing speed and multifunctionality over cartridge flexibility, this is a strong choice.
Pros:- Fast color printing up to 26 ppm for quick document turnaround
- All-in-one functionality including scan and copy
- Auto duplex printing and document feeder for efficiency
Cons:- Requires original HP cartridges with HP chips, increasing ongoing costs
- Designed mainly for small office use, not high-volume production
- Firmware updates may limit third-party cartridge use
Best for: Small office teams needing fast, all-in-one color printing with reliable wireless connectivity
Not ideal for: Home users with low-volume needs or those seeking budget-friendly, cartridge-free solutions
- Print Speed:26 ppm
- Color Printing:Yes
- Functions:Print, Scan, Copy
- Duplex Printing:Yes
- Auto Document Feeder:Yes
- Input Tray Capacity:250 sheets
- Connectivity:Wireless
Bottom line: This printer makes the most sense for small businesses that need reliable, fast color printing with multifunction capabilities.
Brother HL-6210DW Laser Printer with High-Speed 50 ppm, Wireless Networking, and Duplex Printing
Compared to the HP Smart Tank 6001, the Brother HL-6210DW offers much higher speeds—up to 50 ppm—making it ideal for busy, monochrome-focused offices. Its large paper capacity of 520 sheets (expandable to 1,660) minimizes refills during large print runs, a key advantage over smaller tray models. The inclusion of gigabit Ethernet and dual-band wireless ensures flexible network setup and sharing. However, its monochrome-only design limits its use for color projects, and its bulkier size may require dedicated space. This pick is perfect for those prioritizing speed, capacity, and security in high-volume laser printing.
Pros:- High-speed printing up to 50 ppm for large jobs
- Massive paper capacity reduces interruptions
- Wireless and Ethernet options for flexible setup
Cons:- Monochrome only, no color printing
- Bulkier size demands dedicated space
- Higher initial investment compared to smaller laser printers
Best for: Small to medium-sized offices requiring fast, high-capacity monochrome printing with network security
Not ideal for: Home users needing color printing or those with limited space for bulky hardware
- Print Speed:50 ppm
- Paper Capacity:520 sheets (expandable to 1,660)
- Connectivity:Gigabit Ethernet, Dual Band Wireless
- Toner Yield:Up to 18,000 pages
- Security Features:Triple Layer Security
- Duplex Printing:Yes
Bottom line: This printer suits offices focused on high-volume monochrome printing with speed and security as priorities.
HP Smart Tank 5101 Wireless All-in-One Refillable Printer
This model makes the most sense for home users who need high-volume printing without the ongoing cost of cartridges. Its refillable tank system includes up to 2 years of ink, providing thousands of pages at a low cost per page, unlike the EPSON EcoTank ET-2800, which has a slower print speed but excellent color vibrancy. The HP Smart Tank 5101 offers easy, mess-free refilling, though the initial setup may be complex for some. It’s perfect for those who prioritize low running costs and high page yields in a compact, user-friendly design, but it’s less suitable for high-speed or color-intensive tasks.
Pros:- Long-lasting ink supply with up to 2 years included
- Mess-free, easy refilling system
- High page yield for low-cost, high-volume printing
Cons:- Initial setup can be complex for some users
- Limited to home and small office use, not ideal for rapid printing
Best for: Home users with high-volume printing needs seeking economical ink refilling and low operational costs
Not ideal for: Users needing fast print speeds or color printing for professional projects
- Printer Type:All-in-One (Print, Scan, Copy)
- Connectivity:Wireless
- Ink:Refillable tank with 2 years of ink
- Page Yield:Up to 6,000 color or black pages
- Supported Uses:Home, high-volume printing
Bottom line: This printer excels for home environments that require economical, high-volume printing without the need for fast speeds or color output.
HP Smart Tank 6001 Wireless All-in-One Ink Tank Printer
Compared with the HP Smart Tank 5101, the 6001 offers slightly higher page yields—up to 8,000 color pages or 6,000 black pages—making it suitable for those with even greater volume needs. Its refillable ink system is designed for easy, mess-free refilling, and wireless connectivity ensures flexible placement. The 6001’s AI-enabled printing enhances quality, but the initial setup can be tricky for users unfamiliar with ink tank systems. It’s a solid choice for those seeking a reliable, cartridge-free printer for high-volume home use, though it might be overkill for occasional printing.
Pros:- Cartridge-free, refillable ink system for long-lasting use
- Mess-free, easy ink refilling
- Wireless connectivity and high page yield
Cons:- Initial setup may be complex
- Limited to home and small office use, not for heavy-duty commercial environments
Best for: Home users with very high-volume printing needs who want a cartridge-free solution with high page yields
Not ideal for: Users who prefer simple setup or limited to basic printing needs, as the initial configuration can be complex
- Printer Type:All-in-One (Print, Copy, Scan)
- Connectivity:Wireless
- Ink System:Refillable Ink Tank
- Included Ink:2 years
- Page Yield:Up to 8,000 color pages or 6,000 black pages
- Borderless Printing:Yes
Bottom line: This printer suits high-volume home printers who prioritize long-term savings and easy ink refilling over initial setup simplicity.
Epson EcoTank ET-2800 Wireless Color All-in-One Supertank Printer
Compared with the HP Smart Tank 6001, the Epson EcoTank ET-2800 offers slightly slower speeds—up to 10 pages per minute—but excels in vibrant color printing and environmental savings. Its refillable ink bottles can print up to 4,500 black and 7,500 color pages, making it ideal for users who want high-quality, colorful documents at a lower running cost. Setup can be more involved due to the ink bottle system, but the reduced waste and long-term ink savings can outweigh this for environmentally conscious households. This model is best for those who need impressive color fidelity and are patient with initial setup.
Pros:- Cost-effective with refillable ink bottles lasting up to 2 years
- High-quality, vivid color printing
- Wireless connectivity for multiple device use
Cons:- Slower print speed compared to laser models
- Initial setup may be complex for some users
- Limited to basic home printing needs
Best for: Home users seeking vibrant color printing with significant long-term savings on ink costs
Not ideal for: High-speed printing needs or users requiring quick monochrome output
- Printer Type:All-in-One Supertank
- Connectivity:Wireless
- Color:Color
- Print Speed:Up to 10 ppm
- Ink System:Refillable bottles
- Page Yield:Up to 4,500 black / 7,500 color pages
- Technology:Micro Piezo Heat-Free
- Included Ink:Up to 2 years
Bottom line: This printer is ideal for color-rich home projects where savings and quality are more important than speed.
HP Smart Tank 7001 Wireless All-in-One Ink Tank Printer
This model stands out for its exceptional high-volume capacity, especially with included ink for up to 2 years. Its ability to print vibrant color documents and crisp text makes it ideal for those who need both quality and quantity. Compared with the HP Smart Tank 5000, the 7001 offers faster print speeds (15 ppm black vs. 9 ppm), which can significantly boost productivity for busy homes. However, setup may be complex, especially for less tech-savvy users, and refilling ink requires careful handling. Its wireless and mobile connectivity make it versatile, but the initial configuration can be a hurdle for some.
Pros:- High-volume printing with included ink for up to 2 years
- Wireless and mobile printing capabilities
- Automatic duplex printing for efficiency
- Vibrant color graphics and crisp text
Cons:- Initial setup may be complex for some users
- Limited to ink tank refilling, which may be messy
Best for: Families or home professionals needing reliable, cost-effective, high-volume printing with color capability
Not ideal for: Users seeking a simple plug-and-play device or with limited technical skills, due to complex setup
- Print Speed:15 ppm black, 9 ppm color
- Functions:Print, Copy, Scan
- Connectivity:Wireless, Mobile
- Automatic Duplex:Yes
- Included Ink:Up to 2 years of ink (8,000 color pages or 6,000 black pages)
Bottom line: A smart choice for households that prioritize high-volume, cost-effective color printing despite a more involved setup process.
HP OfficeJet Pro 8125e Wireless All-in-One Color Inkjet Printer
This printer makes the most sense for users who need rapid, high-quality color printing alongside scanning, copying, and even faxing. Its 20 ppm black and 10 ppm color speeds outperform the slower Smart Tank models, making it more suitable for dynamic home environments. The 225-sheet input tray reduces the need for frequent reloads, and dual-band Wi-Fi offers reliable connectivity. However, the subscription-based Instant Ink service after the 3-month trial can add ongoing costs for high-volume users, and the printer’s price may be higher than cartridge-based alternatives.
Pros:- Fast color printing at up to 10 ppm
- Large 225-sheet input tray
- Automatic duplex and document feeder
- Reliable dual-band Wi-Fi
Cons:- Subscription fee required for continued Instant Ink service
- Higher initial cost compared to simpler models
Best for: Home offices requiring fast, versatile printing with high page volume and multi-functionality
Not ideal for: Budget-conscious users who prefer a one-time purchase without subscription fees or who print infrequently
- Print Speed:up to 10 ppm color, 20 ppm black
- Functions:Print, scan, copy, duplex, fax
- Input Tray Capacity:225 sheets
- Connectivity:Dual-band Wi-Fi
- Trial Included:3 months Instant Ink
Bottom line: Ideal for busy home offices that need quick, multi-purpose printing with dependable wireless connectivity, despite ongoing ink costs.
HP Smart Tank 5000 Wireless All-in-One Ink Tank Printer
Compared to the 7001, the Smart Tank 5000 offers a similar high-capacity ink system but emphasizes a more straightforward, mess-free refill process with AI-enhanced formatting. It excels in environments where large print volumes are common, offering up to 6,000 pages black or color, with included ink for up to 2 years. Its design is slightly more limited in speed and features but provides a more user-friendly refill experience. However, it’s more expensive upfront and requires careful handling during ink refills, making it less ideal for those who want a quick setup.
Pros:- High-volume, cartridge-free printing
- Mess-free, easy refill system
- Includes up to 2 years of ink
- Wireless connectivity
Cons:- Higher initial purchase price
- Requires initial setup and handling of ink bottles
Best for: Home users who prioritize high-volume, cartridge-free printing with easy refills in a reliable format
Not ideal for: Users who prefer a more compact or budget-friendly printer or dislike initial setup complexity
- Connectivity:Wireless
- Functions:Printer, Scanner, Copier
- Ink Type:Refillable Ink Tank
- Included Ink:Up to 2 years
- Page Yield:Up to 6,000 pages (black or color)
Bottom line: A strong choice for those seeking hassle-free, high-capacity printing without the cost or waste of cartridges, despite a higher entry cost.
HP Smart Tank 7301 Wireless All-in-One Ink Tank Printer
Compared with the Smart Tank 7001, the 7301 emphasizes AI-enhanced printing for sharper, more formatted results, making it ideal for users who value precision alongside volume. It offers up to 8,000 color pages or 6,000 black pages with included ink, making it suitable for intense home office demands. Its easy, mess-free refills and wireless, mobile printing expand convenience. The initial setup can be complex, and the ink bottles require careful handling, but overall, it balances cost-efficiency with quality.
Pros:- High-volume, cost-effective printing with up to 8,000 color pages
- Mess-free, easy refill system
- AI-enhanced formatting for sharp, colorful results
- Wireless and mobile printing
Cons:- Setup can be complex for some users
- Requires careful handling of ink bottles
Best for: Home office users who need large, high-quality prints with minimal waste and easy refilling
Not ideal for: Infrequent or casual home users who do not need such high capacity or are uncomfortable with initial setup
- Printer Type:All-in-One (Print, Copy, Scan)
- Connectivity:Wireless, Mobile Printing
- Ink System:Refillable Ink Tanks
- Included Ink:Up to 2 years
- Page Yield:Up to 8,000 color pages or 6,000 black pages
- Borderless Printing:Yes
Bottom line: A solid pick for demanding home offices seeking high-volume, precise printing with easy ink refills despite initial setup challenges.
HP Smart Tank 7602 Wireless All-in-One Ink Tank Printer
The HP Smart Tank 7602 stands out as the most versatile choice for those who need reliable, high-volume printing without the ongoing cost of cartridges. Its refillable ink tanks deliver up to 2 years of printing, making it ideal for busy home offices. Compared with the HP Color LaserJet Pro 3201dw, which excels in speed and color accuracy for small teams, the Smart Tank prioritizes cost efficiency and ease of use at home, though it involves a more complex initial setup. This model’s refill process is clean and straightforward, reducing maintenance worries, but it’s best suited to users with consistent large printing needs rather than casual or occasional use. The ink system minimizes ongoing expenses, and wireless, mobile printing adds flexibility to daily tasks. The main tradeoff is that it’s less suitable for users who require fast, high-speed printing or a compact footprint.
Pros:- Cartridge-free, refillable ink system reduces ongoing costs
- High page yield with 2 years of ink included
- Easy, mess-free ink refilling process
- Wireless and mobile printing capabilities
Cons:- Initial setup may be complex for some users
- Limited to high-volume printing needs; not ideal for casual use
Best for: Home office users who print large volumes regularly and want to minimize ongoing ink costs.
Not ideal for: Casual users or those with infrequent printing needs, as setup and maintenance may be more involved.
- Printer Type:All-in-One (Print, Copy, Scan)
- Connectivity:Wireless, Mobile Printing
- Ink System:Refillable Ink Tanks
- Included Ink:2 years of ink
- Page Yield:Up to 8,000 color pages or 6,000 black pages
- Borderless Printing:Yes
Bottom line: This printer is best suited for home offices with consistent, high-volume printing requirements and a preference for low ongoing costs.
HP Color LaserJet Pro 3201dw Wireless Color Laser Printer
The HP Color LaserJet Pro 3201dw offers fast, efficient color printing in a compact form designed for small teams or high-demand home offices. Its print speed of 26 ppm, especially for color documents, surpasses many inkjet alternatives like the HP Smart Tank 7602, making it more suitable for quick turnaround times and frequent multi-page jobs. Compared to the Smart Tank’s focus on cost savings for volume, this laser printer emphasizes speed, professional quality, and automation features like auto duplex printing. However, it’s less flexible in ongoing costs, as it works only with original HP chips or circuitry cartridges, which can add to maintenance expenses. Firmware updates can also be necessary to keep performance optimal. It’s ideal for users who produce a steady flow of high-quality documents and value efficiency over the lowest per-page cost.
Pros:- Fast color printing at 26 ppm
- Wireless connectivity with dual-band Wi-Fi
- Auto duplex printing saves time and paper
- Reliable performance for daily office tasks
Cons:- Works only with original HP chips or circuitry cartridges
- Firmware updates may be needed for optimal performance
Best for: Small teams or home office users who prioritize fast, high-quality color printing with minimal delays.
Not ideal for: Individuals with sporadic printing needs or those seeking low-cost, high-volume printing solutions, due to higher consumable costs.
- Print Speed:26 ppm (black/color)
- Connectivity:Wireless (dual-band Wi-Fi)
- Auto Duplex:Yes
- Input Tray Capacity:250 sheets
- Color Technology:TerraJet toner
- Recommended Use:Small teams, high-volume document printing
Bottom line: This laser printer is best for users who need rapid, professional-quality color output and are willing to manage higher ongoing costs.

How We Picked
To select the best printers for high-volume home offices, I focused on performance metrics such as print speed and duty cycle, which indicate how well a printer can handle frequent use. I also prioritized cost efficiency, including initial price and ongoing expenses like ink or toner. Usability factors like connection options, ease of setup, and maintenance requirements played a key role, as well as build quality and user reviews. The ranking reflects a balanced view of these criteria, favoring models that deliver consistent high-volume performance without excessive complexity or cost.Factors to Consider When Choosing Best Printer For Home Office High Volume
Choosing the right printer for a high-volume home office involves understanding several key factors. Balancing upfront costs with ongoing expenses is critical, especially when printing large volumes regularly. Speed and duty cycle determine how much work a printer can handle without frequent breakdowns or slowdowns. Connectivity options like Wi-Fi and mobile printing improve workflow flexibility. Maintenance and refill costs can significantly impact total ownership costs. Lastly, consider multifunction features if scanning and copying are essential to your daily tasks, but beware that these can add to the initial investment and complexity.Performance and Speed
High-volume environments demand fast printers that can handle large jobs efficiently. Look for models with high pages-per-minute (PPM) ratings and a duty cycle that exceeds your typical monthly printing volume. This ensures the printer won’t become a bottleneck or require frequent repairs. However, be aware that faster speeds often come with higher upfront costs or increased noise levels, which might affect your home environment.
Cost of Operation
In high-volume settings, the ongoing cost per page becomes a critical factor. Laser printers tend to have lower toner costs compared to inkjet models, but refillable ink tanks can dramatically reduce long-term expenses. Consider the price and availability of toner or ink, as well as how often replacements are needed. Over time, the savings from refillable systems can outweigh the higher initial investment, especially if you print frequently.
Connectivity and Usability
Wireless connectivity, mobile printing, and Ethernet options make high-volume printing more flexible and less disruptive. A user-friendly interface and straightforward setup are equally important, especially if multiple users access the printer. Look for models with intuitive controls and reliable wireless connections to minimize frustration and downtime.
Multifunction Capabilities
Adding scanning, copying, and faxing can increase productivity in a home office, but also adds to the cost and maintenance requirements. For high-volume needs, prioritize models with robust multifunction features that won’t compromise speed or reliability. If you only need printing, a dedicated printer might be more cost-effective and simpler to operate.
Build Quality and Maintenance
Durability is vital when handling frequent use. Look for models with sturdy construction, reliable paper handling, and easy access to replace consumables. Choosing a reputable brand with good customer support can save time and money in the long run, preventing downtime caused by breakdowns or complicated repairs.
Frequently Asked Questions
How do I choose between laser and inkjet printers for high-volume printing?
Laser printers generally excel in high-volume environments because they print faster and have a lower cost per page, making them more economical over time. Inkjet models tend to be cheaper upfront but are better suited for occasional use or color printing where high speed isn’t critical. For a home office with frequent, large print jobs, a laser printer typically offers better efficiency and lower ongoing costs.
Are refillable ink tank printers worth it for high-volume printing?
Refillable ink tank printers often provide significant savings on ongoing ink costs, especially if you print daily or in large volumes. They require a higher initial investment but can dramatically lower your cost per page. Keep in mind that refilling tanks can be messy and sometimes slow, so consider whether you prefer convenience over savings. For heavy users, these models usually pay off over time.
What features should I prioritize in a high-volume home office printer?
Prioritize speed, duty cycle, and reliability to handle frequent printing without interruptions. Wireless and mobile printing capabilities add convenience, enabling multiple users to print from different devices. Multifunction features like scanning and copying are valuable if needed regularly, but don’t compromise on build quality or ease of maintenance. Ensure the model you choose can handle your typical monthly workload comfortably.
How important is the size of the printer for a home office?
Size matters because space is often limited in a home environment. While high-volume printers tend to be larger and heavier, look for models that fit your available space without sacrificing necessary features. Compact high-capacity models are available, but they might have reduced paper capacity or slower speeds. Balance your space constraints with your printing needs to find the right fit.
Is it better to buy a color or monochrome printer for high-volume use?
Monochrome printers are typically faster and cheaper to operate, making them ideal for large volumes of black-and-white documents. Color printers are more versatile but usually come with higher costs for toner and slower speeds. If most of your printing is text-based, a monochrome model will save money and time; reserve color options for specific needs like marketing materials or presentations.
Conclusion
For most high-volume home office users, the HP Color LaserJet Pro MFP 3301sdw offers a reliable, fast, and multifunctional solution that balances cost and performance. If you prioritize ongoing savings and mostly print in black and white, a monochrome laser like the Brother HL-6210DW might be better. Beginners or casual users should consider simpler, more affordable models, while those with a focus on color printing may prefer the versatility of an ink tank system like the HP Smart Tank 5101. Ultimately, your choice depends on your print volume, budget, and specific feature needs.










