magpie corporation uses the total concept of product pricing. below is the cost information for the production and sale of 60,000 units it it's sole product. magpie desires a profit equal to a 25% rate of return on invested assets of 700,000 fixed factory overhead costs 38,700 fixed selling and administrative costs 7500 variable direct materials costs per unit 4.60 variable direct labor cost per unit 1.88 variable factory overhead cost per unit 1.13 variable selling and administrative cost per unit 4.50 the unit selling price for the company's product is a. 15.00 b. 13.82 c. 15.79 d. 14.76