ducksRus sells a duck call having a contribution margin of $5. The president foresees sales up to 100,000 units in the coming period. The company's fixed costs for the period are $275,000. a. What is the company's break-even point in units? b. What is the total revenue when 75,000 units are sold if variable costs are $5/unit? c. What would the resulting profit be from selling 75,000 units? d. What would profit be if only 50,000 units are sold?