Modern Artifacts can produce keepsakes that will be sold for $60 each. Nondepreciation fixed costs are $2,000 per year, and variable costs are $30 per unit. The initial investment of $5,000 will be depreciated straight-line over its useful life of 5 years to a final value of zero, and the discount rate is 12% (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%? units a. Acounting break-even level of sales b. NPV break-even level of sales C. Acounting break-even level of sales d. NPV break-even level of sales units units units Bewwwww