Kaitlyn and Courtney started a business that manufactures cutting tools. They sell the tools for $80 each. Their monthly fixed costs are $3,800 for the building lease and utilities and $2,600 for salaries. The cost of supplies for each tool is $17. If the cost of supplies for each tool is reduced to $13 and they hire one more person for $2,200 per month, calculate the minimum number of tools that they would have to sell to ensure that they do not incur a loss. Round up to the next whole number