3. Serendipity, Inc., uses a job order costing system. Qverhead allocation rate is based on direct manufacturing labor hours. Estimated overhead costs for 2020 are $600,000 and estimated direct manufacturing labor hours are 60,000. There are no beginning materials, finished goods or work-in-process inventory for July; and only one job, Job Number 74, was started and completed. The following is a list of transactions for July: July 1 4 10 15 Purchased materials on account, ($5,000 direct materials, $500 indirect materials). Used direct materials costing $4,500 and indirect materials costing $400 for production, Paid the following overhead costs: utilities, $500; manufacturing rent, $3,000; and maintenance charges, $100. Recorded the following gross wages and salaries for employees: direct labor, $10,000 (500 direct labor hours); indirect labor, $1,000. Applied overhead to production, Completed and transferred Job 74 to finished goods inventory; total cost was $19,500. Delivered Job 74 to the customer and billed customer for the sales price $25,000 (cost $19,500). Recorded depreciation-machinery, $200 (adiusting entries). 15 16 20 30 Required a) Calculate the overhead allocation rate. (5 points) b) Journalize the entries for all transactions in June. (30 points) c) The balance of the Manufacturing Overhead Account is $5,200 and the balance of the Manufacturing Overhead Allocated Account is $5,000. All over or underapplied overhead is written off to the cost of goods sold. Journalize the adjusting entry for over/underapplied overhead. (10 points)