es Handy Home sells windows (30% of sales) and doors (70% of sales). The selling price of each window is $310 and of each door is $720. The variable cost of each window is $180 and of each door is $460. Fixed costs are $1,215,500. (1) Compute the weighted-average contribution margin. Windows Doors Sales mix Contribution margin Weighted-average contribution margin (2) Compute the break-even point in units using the weighted-average contribution margin. Numerator: Denominator: Sales mix (3) Compute the number of units of each product that will be sold at the break-even point. Number of units to break even. Windows Doors Total Total per unit =1 Break Even Units = Break Even Units 0 Unit sales at break-even point