David Davis recently fulfilled his long-time dream of opening a gym that offers spinning exercise classes for $ 10 per person. To differentiate his gym and better serve his clients, David provides a towel, a bottle of water, and an after-workout protein shake to each person participating in a class, at a cost of $ 1.80 per person. David employs four part-time instructors and pays them each $ 1,500 per month. He also pays himself a monthly salary of $ 6,000. David's other monthly costs are $ 2,000 for rent $ 1,500 for depreciation on his 34 bikes, and $ 1.525 in utilities and insurance. (a) What is David's contribution margin per unit? (Round answer to 2 decimal places, e.g. 52.75.) Contribution margin 8.2 per unit (b) What is David's contribution margin ratio? (Round answer to 2 decimal places, e-s. 52.75.) Contribution margin ratio 82 % (c) Prepare David's monthly contribution format income statement. Assume that he teaches 4,500 clients. (Round per unit values to 2 decimal places, e.g. 52.75 and all other answers to 0 decimal places, e.g. 1.234.) (c) Prepare David's monthly contribution format income statement. Assume that he teaches 4,500 clients. (Round per unit values to 2 decimal places, e.g. 52.75 and all other answers to 0 decimal places, e.g. 1,234) Per Unit Sales Revenue $ 45000 Variable Expenses Towel. Water, Shake 8100 Contribution Margin 36900 Fixed Expenses Instructor Salaries Expense 6000 Management Salary Expense 8000 Rent Expense 2000 Instructor Salarles Expense. 6000 i Management Salary Expense : 6000 Rent Expense 2000 1 Depreciation Expense 1500 i Utilities & Insurance Expense : 1525 Total Fixed Expenses 17025 Operating Income 19875