Reider worked on four jobs in July. Data are as follows: By July 31, Jobs 13-43 and 13-44 were completed and sold. Jobs 13-45 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 . When required, round your answers to the nearest dollar. If an amount is zero, enter " 0 ". 3. Calculate the balance in Work in Process on July 31. 71 4. Calculate the cost of goods sold for July. 4 5. What if Job 13-46 required no engineering change orders? What is the difference in the new cost of Job 13-46? How would the cost of the other jobs be affected