Job-Order Cost Sheets, Balance in Work in Process and Finished Goods Prull Company, a job-order costing firm, worked on three jobs in July. Data are as follows: Job 82 for $25,600 and Job 84 for $23,380 ). Required: 1. Prepare job-order cost sheets for all jobs in process during July, showing all costs through July 31. 2. Calculate the balance in Work in Process on July 31. 3. Calculate the balance in Finished Goods on July 31. 4. Calculate Cost of Goods Sold for July. 5. Calculate operating income for Prull Company for the month of July