Delta Company produces a single product. The cost of producing and selling a single unit of this product at the company's normal activity level of 60,000 units per year is: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Variable selling and administrative expense Fixed selling and administrative expense $5.10 $ 3.80 $1.00 $ 4.20 $1.50 $ 2.40 The normal selling price is $21 per unit. The company's capacity is 75,000 units per year. An order has been received from a mail-order house for 15,000 units at a special price of $14.00 per unit. This order would not affect regular sales or the company's total fixed costs