Donna Botosan operates a bed and breakfast hotel in a resortarea near Lake Michigan Depreciation on the hotel is $ 76,356 per year, Donna employs a maintenance person at an annual salary of $ 58.000 and a cleaning person at an annual salary of $ 41,000. Real estate taxes are $ 27.000 per year. The rooms rent at an average price of $7700 per person per night including breakfast. Other costs are laundry and cleaning service at a cost of $ 27.28 per person per night and the cost of food, which is $ 2200 per person per night (a) Your answer has been saved. See score details after the due date Determine the quantity of rentals and the sales revenue Donna needs to break even using the contribution martin technique. Break-even quantity of rentals 7227 Break-even sales 55679 Attempts: 1 of 1 used (b) Your answer has been saved. See score details after the due date of the current level of rentals is 9.300, by what percentage can rentals decreme before Donna has to worry about having a net foss? (Round percentages to decimal places, s. 528) Margin of safety Attempts: 1 of 1 used 10 Donna is considering upgrading the breakfast service to attract more business and increase prices. This will cost an additional $ 20 for food costs per person per night. She feels she can increase the room rate to $ 119,00 per person per night. Determine the quantity of rentals and the sales revenue Donna needs to break even if the changes are made, (Round answers to decimal places 28 5.275J Break-even number of rentals Break-even sales $