Modern Artifacts can produce keepsakes that will be sold for $$50$ each. Nondepreciation fixed costs are $$1,500$ per year, and variable costs are $$30$ per unit. The initial investment of $$2,000$ will be depreciated straight$-$line over its useful life of $5$ years to a final value of zero, and the discount rate is $10\%.$

Note: For all the requirements, do not round intermediate calculations. Round your answer up to the nearest whole unit.

What is the accounting break$-$even level of sales if the firm pays no taxes?

What is the NPV break$-$even level of sales if the firm pays no taxes?

What is the accounting break$-$even level of sales if the firm$$s tax rate is $40\%?$

What is the NPV break$-$even level of sales if the firm$$s tax rate is $40\%?$