Problem 10-14 NPV Break-Even Analysis (LO3) 20 points Modern Artifacts can produce keepsakes that will be sold for $70 each. Nondepreciation fixed costs are $2,000 per year, and variable costs are $35 per unit. The initial investment of $4,000 will be depreciated straight-line over its useful life of 5 years to a final value of zero, and the discount rate is 10%. (For all the requirements, do not round intermediate calculations. Round your answer to the nearest whole number.) a. What is the accounting break-even level of sales if the firm pays no taxes? b. What is the NPV break-even level of sales if the firm pays no taxes? c. What is the accounting break-even level of sales if the firm's tax rate is 40%? d. What is the NPV break-even level of sales if the firm's tax rate is 40%? Answer is not complete. a. units units Acounting break-even level of sales NPV break-even level of sales Acounting break-even level of sales NPV break-even level of sales d. units units 92