Royal Furniture Co. uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on total estimated manufacturing overhead cost of $720,000 and 30,000 machine- hours. The job sheet of Job F2412 shows that the number of units produced in this job order is 25 units. This job required 225 machine-hours and incurred direct materials cost of $350 and direct labor costs of $1,250. The unit product cost for Job F2412 is approximately: O a $280 Ob $600 O c. None of the given answers. O d. $73 O e $88