Part II. Problems 1. (21 points) The following is Arkadia Corporation's contribution margin format income statement for last month: Sales Less variable expenses Contribution margin Less fixed expenses $1,500,000 (900,000) 600,000 (400,000) 200,000 Net income The company has no beginning or ending inventories and produced and sold 25,000 units during the month. Required: a. What is the company's contribution margin ratio? b. What is the company's contribution margin per unit? C. What is the company's break-even in units and dollars? d. How many units would the company have to sell to attain target profits of $150, 000? e. Refer to the original data, what is the company's margin of safety in both dollar and percentage terms