6. (13%) Rock Star, Inc., which uses a job-costing system, began business on January 1 and applies manufacturing overhead on the basis of direct-labor cost. The following information relates to 20x3: , 20x3 Budgeted direct labor and manufacturing overhead were anticipated to be $200,000 and $250,000, respectively . Job nos. 1, 2, and 3 were begun during the year and had the following charges for direct material and direct labor $145,000 320,000 55,000 $35,000 65,000 80,000 . Job nos. 1 and 2 were completed and sold on account to customers at a profit of 60% of cost. Job no. 3 remained in production. Actual manufacturing overhead by year-end totaled $233,000. Rock Star adjusts all under- and overapplied overhead to cost of goods sold. Required: A. Compute the company's predetermined overhead application rate. B. Compute Rock Star's ending work-in-process inventory C. Determine Rock Star's sales revenue. D. Was manufacturing overhead under-or overapplied during 20x3? By how much? E. Present the necessary journal entry to handle under- or overapplied manufacturing overhead at year-end