Job Costs Using Activity-Based Costing Reider Company is a job-order costing firm that uses activity-based costing to apply overhead to jobs. Reider identified three ov activities and related drivers, Budgeted information for the year is as follows: Relder worked on four jobs in July. Data are as follows: By July 31, Jobs 13-43 and 13-44 were completed and sold. Jobs 1345 and 13-46 were still in process. Required: 1. Calculate the activity rates for each of the three overhead activities. Round all activity rates to the nearest cent. 2. Prepare job-order cost sheets for each job showing all costs through July 31 . If an amount is zero, enter " 0 ". 3. Calculate the balance in Work in Process on July 31. 4. Calculate the cost of goods sold for July. $ 5. What if Job 13-46 required no engineering change orders? What is the difference in the new cost of Job 1346 ? How would the cost of the other jobs be affected