Sully Company provided the following information for last month. Production in units 3,000 Direct materials cost $7,000 Direct labor cost $10,000 Overhead cost $9,600 Sales commission per unit sold Price per unit sold $29 Fixed selling and administrative expense $7,000 There were no beginning and ending inventories What is Sully's cost of goods sold per unit (rounded to nearest cent)? Select one: O a. $12.60 O b. $8.87 O O c. $10.00 d. $12.50 O e. $16.60