Relevant fixed costs associated with this line include 60% of Boat Maintenance's garage/warehouse rent and 50% of Boat Maintenance's supervision salaries. In addition, assume that Boat Maintenance service line would reduce sales of the Winter Storage line by 20% and sales of the Boat Fuel & Concessions line by 10%. All other information remains the same. Required: 1. If the Boat Maintenance service line is dropped, what is the contribution margin for the Boat Fuel \& Concessions line? For the Winter Storage line