ASAP please thank you :)

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.) A. 13 jet boats and 31 ski boats B. 7 jet boats and 6 ski boats C. 6 jet boats and 7 ski boats D. 31 jet boats and 13 ski boats