Brenk Even Point jane boston operates bed and breakfast hotel in a resort area near Lake Pyramid Depreciation on the hotel is $ $80000$ per year $.$jane employs a maintenance person at an annual salary lf $$80000$ and a cleaning person at an annual salary of $ $60000.$real estate taxes are $$30,000$ per year. The rooms rent at an average price of $$140$ per person per night including breakfast $.$other costs are laundry and cleaning service at a cost of $ $15$ per person night and the cost of food which is $20$ person per night $.$

Determine the Contribution Margin per person per night. Both in units and percentage

b$)$

Determine the fixed costs per year

c$)$

Determine the Break$-$Even$-$Point In units and sales dollars,