E6.1 (LO 1), AP Service The Soma Inn is trying to determine its break-even point. The inn has 75 rooms that are rented at $60 a night. Operating costs are as follows. Salaries Utilities Depreciation Maintenance Maid service Other costs $10,600 per month 2,400 per month 1,500 per month 800 per month 8 per room 34 per room Instructions a. Determine the inn's break-even point in (1) number of rented rooms per month and (2) dollars. b. If the inn plans on renting an average of 50 rooms per day (assuming a 30-day month), what is (1) the monthly margin of safety in dollars and (2) the margin of safety ratio?