Magpie corporation uses the total cost concept of product pricing. below is the cost information for the production and sale of 58,700 units of its sole product. magpie desires a profit equal to a 21% rate of return on invested assets of $605,000. fixed factory overhead $38,500 fixed selling and administrative 8,000 variable direct materials cost per 5.17 variable direct labor cost per .88 variable factory overhead cost per .13 variable selling and administrative cost per 4.50 the dollar amount of desired profit from the production and sale of the company's product is: a. $12.11b. $12.88c. $15d. $13.50