Handy Home sells windows and doors in the ratio of 7:3 (windows:doors). The selling price of each window is $115 and of each door is $265. The variable cost of a window is $70.00 and of a door is $182.50. Fixed costs are $421,875. (Enter your "per unit" values in two decimal places.) (1) Determine the selling price per composite unit. Quantity Selling Price per unit Total per composite unit Windows Doors (2) Determine the variable costs per composite unit. QuantityV ariable costs per unit Total per composite unit Windows Doors Contribution margin per composite unit Contribution margin (3) Determine the break-even point in composite units Choose Numerator Choose Denominator: Break Even Units Break even units