Dotterel Corporation uses the variable cost concept of product pricing. Below is cost information for the production and sale of 35,000 units of its sole product. Dotterel desires a profit equal to an 11.2% rate of return on invested assets of $350,000. $105,000 35,000 4.34 Fooed factory overhead cost Foxed selling and administrative costs Variable direct materials cost per unit Variable direct labor cost per unit Variable factory overhead cost per unit Variable selling and administrative cost per unit 5.16 The unit selling price for the company's product is Oa. $13.72 Ob. $13.44 Oc. $12.10 Od. $16.32