Modern Artifacts can produce keepsakes that will be sold for $250 each. Nondepreciation fixed costs are $4,400 per year, and varlable costs are $230 per unit. The Initial investment of $11,500 will be depreciated straight-line over its useful life of five years to a final value of zero, and the discount rate is 10% 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? Note: Do not round intermediate calculations. Round your final answer to the nearest whole number. c. What is the accounting break-even level of sat 5 s if the firm's tax rate is 20% ? d. What is the NPV break-even level of sales if the firm's tax rate is 20% ? Note: Do not round intermediate calculations. Round your final answer to the nearest whole number. e. What is the degree of operating leverage for the firm for the NPV break-even points when the tax rate is O\% and when the tax rate is 20% ? Note: Round intermediate calculation to the nearest whole number. Round your answers to 2 decimal places. \begin{tabular}{|l|r|l|} \hline a. Accounting break-even level of sales & 335 & units \\ \hline b. NPV break-even level of sales & 372 & units \\ \hline c. Accounting break-even level of sales & 335 & units \\ \hline d. NPV break-even level of sales & 381 & units \\ \hline e. Degree of operating leverage, t=0% & & \\ \hline e. Degree of operating leverage, t=20% & & \\ \hline \end{tabular}