Petal Ltd. uses a normal job-costing system and applies overhead on the basis of direct labour-hours. At the beginning of the year, the company estimated that total overhead costs for the year would be $192,000, and it budgeted total labour-hours of 16,000. Actual labour-h worked for the period January 1 to November 30 were 13,750. On December 1, the company had three jobs in process: (Click the icon to view the work-in-process data.) During the month of December, the following costs were incurred by job: In addition, the company incurred the following costs during the month of December (these costs have not yet been recorded in the books): (Click the icon to view the costs organized by job.) (Click the icon to view other costs incurred.) Required (Click the icon to view additional information.) Work-in-Process data Work-in-Process at December 1 Requirement 1. Calculate the budgeted overhead rate used by Petal. The budgeted overhead rate was $12 per direct labour hour. Requirement 2. Calculate the unit cost of ending work-in-process inventory assuming that the number of units in the job(s) total 260 units. (Round your answer to the nearest cent.) The unit cost of ending work-in-process inventory assuming there are 260 units is $ 34.29 Requirement 3. Calculate the cost of goods manufactured and the unadjusted gross margin for the month of December. The cost of goods manufactured is $ Additional information Costs organized by job Job # 815 817 822 823 824 DM $ 500 $ 700 $ 1,200 $1,300 $1,600 DL $ 855 $ 1,634 $3,287 $ 3,838 $ 6,118 DL hours 45 hours 86 hours 173 hours 202 hours 322 hours Job Number Direct materials (DM) Direct labour (DL) 815 817 822 $ 1,100 $2,900 $ 1,800 800 1,600 400 Overhead (OH) Total 600 1,050 400 2,500 5,550 2,600 1. The balance in the Overhead Control account on December 1 was $191,590. 2. There were no jobs in Finished Goods as of December 1. 3. Jobs 815, 822, 823, and 824 were completed during December. 4. Job 824 is the only job in Finished Goods as of December 31. 5. The company's pricing policy is 200% of total manufacturing cost. Required 1. Calculate the budgeted overhead rate used by Petal. 2. Calculate the unit cost of ending work-in-process inventory assuming that the number of units in the job(s) total 260 units. 3. Calculate the cost of goods manufactured and the unadjusted gross margin for the month of December. 4. Calculate the amount of over- or underallocated overhead for the year.