Lucy sportswear manufactures a specialty line of t-shirts. the company uses a job-order costing system. during march, the following costs were incurred on job icu2: direct materials $13,700 and direct labor $4,800. in addition, selling and shipping costs of $7,000 were incurred on the job. manufacturing overhead was applied at the rate of $25 per machine-hour and job icu2 required 800 machine-hours. if job icu2 consisted of 7,000 shirts, the cost of goods sold per shirt was:
a. $6.50
b. $6.00
c. $5.70
d. $5.50