City Corporation uses the product cost concept of product pricing. Below is cost information for the production and sale of 45,000 units of its sole product. City desires a profit equal to a 12% rate of return on invested assets of $800,000.

Fixed factory overhead cost $82,000

Fixed selling and administrative costs 45,000

Variable direct materials cost per unit 5.50

Variable direct labor cost per unit 7.65

Variable factory overhead cost per unit 2.25

Variable selling and administrative cost per unit 0.90

The cost per unit of productions of City's product is

Select one:

a. 15.40

b. 17.22

c. 15.75

d. 13.15