Your company uses job order costing. Manufacturing overhead is charged to individual jobs through the use of a predetermined overhead rate based on direct labor costs. The following information appears in the company's Work in Process Inventory account for the month of April: Assuming that direct labor charged to the jobs still in process at April 30 amounts to $1,500, compute the amount of manufacturing overhead and the amount of direct materials that have been charged to the jobs that are still in process as of April 30. Explain your