Exercise 21-05 Schopp Corporation makes a mechanical stuffed alligator that sings the Martian national anthem. The following information is available for Schopp Corporation's anticipated annual volume of 536,000 units. Total Per Unit $7 $9 $13 Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Variable selling and administrative expenses Fixed selling and administrative expenses $3,752,000 $13 $1,608,000 The company has a desired ROI of 25%. It has invested assets of $27,872,000. Compute the total cost per unit Total cost per unit Compute the desired ROI per unit