Birch Manufacturers has provided the following information regarding the two products that it sells: Sales price per unit Variable cost per unit Jet Boats Ski Boats $10,000 $6,000 $24,000 $18,000 Annual fixed costs are $280,000. How many units must be sold in order for Birch to break even, assuming that Birch sells five jet boats for every two ski boats sold? (Round any intermediate calculations to two decimal places, and your final answer to the nearest unit.) OA. 44 jet boats and 17 ski boats OB. 17 jet boats and 44 ski boats OC. 9 jet boats and 7 ski boats OD. 7 jet boats and 9 ski boats