4-31 Job costing, journal entries. Donald Transport assembles prestige manufactured homes. Its job-costing system has two direct-cost categories (direct materials and direct manufacturing labor) and one indirect-cost pool (manufacturing overhead allocated at a budgeted $31 per machine-hour in 2017). The following data (in millions) show operation costs for 2017: Required: 1. Prepare an overview diagram of Donald Transport's job-costing system. 2. Prepare journal entries. Number your entries. Explanations for each entry may be omitted. Post to T-accounts. What is the ending balance of Work-in-Process Control? 3. Show the journal entry for disposing of under- or overallocated manufacturing overhead directly as a year-end writeoff to Cost of Goods Sold. Post the entry to T-accounts. 4. How did Donald Transport perform in 2017