9) A motel has 90 rooms as follows: 40% singles at $80 per night 35% doubles at $100 per night 25% triples at $120 per night. The motel has annual fixed costs of $591,600 and variable cost averages $39 per room occupied. a. How much is the weighted average room rate per night? b. How much is the weighted average contribution margin per room? c. How much is the motel's breakeven level (in units) in a year? d. How much is the motel's annual breakeven occupancy percentage? e. How much is the occupancy percentage that will provide annual operating income of 313,200