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 $4 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? O a. $12.60 O b. $10.00 O C. $16.60 O d. $12.50 O e. $8.87