Braun's Brakes manufactures three different product lines: Model X, Model Y, and Model Z. Considerable market c Selling price Direct materials Model X Model Y Model 2 $25 $30 $35 3 3 3 Direct labor ($6 per hour) 6 6 12 Variable support costs ($2 per machine-hour) 2 4 4 Fixed support costs 5 1 15 nsiderable market demand exists for all models. The following per unit data apply If there is excess capacity, then which model is the most profitable to produce? OA Model X OB. Model Y OC. Model Z OD. Models X and Y