Springer Products manufactures three. 15 different product lines, Model X, Model Y, and Model Z. Considerable market demand exists for all models. The following per unit data apply Model Z $74 8 Model X Model Y Selling price $52 $60 Direct materials 8 8 Direct labor ($16 per hour) 16 16 Variable support costs 5 10 Fixed support costs 12 12 32 10 12 If there is excess capacity, which model is the most profitable to ?produce If there is excess capacity, which model is the most profitable to ?produce (2 ) Model X O Model Y O Model z O Both Model X and Model Y O