4. Worst Appliances provided the following information about its operations: Variable Manufacturing Overhead $10 per unit Variable Selling and Administrative Costs $16 per unit Prime Costs $8 per unit Fixed Manufacturing Costs $900,000 Fixed Selling and Administrative Costs $600,000 What is the contribution margin ratio if the company sells its only product for $80 each? A. 67.5% B. 57.5% C. 42.5% D. 32.5% 5. ComCom Company has fixed costs that total $1,225,000 per month. The selling price for its only product is $70, and the unit variable cost is $45. How much revenue must ComCom generate to earn $840,000 in operating income next month? A S8 260 000