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 $12,000 $20,000 $5,000 $18,000 Annual fixed costs are $300,000 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.) O A. 7 jet boats and 8 ski boats OB. 8 jet boats and 7 ski boats O C. 15 jet boats and 39 ski boats OD. 39 jet boats and 15 ski boats