PAZ. LO 3.4 Manatoah Manufacturing produces 3 models of window air conditioners: model 101, model 201, and model 301. The sales price and variable costs for these three models are as follows: Sales Price per Unit Product Model 101 Model 201 Model 301 $275 350 400 Variable Cost per Unit $185 215 245 The current product mix is 4:3:2. The three models share total fixed costs of $430,000. A. Calculate the sales price per composite unit. B. What is the contribution margin per composite unit? C. Calculate Manatoah's break-even point in both dollars and units. D. Using an income statement format, prove that this is the break-even point