DJB Corporation uses a job-order costing system with a single predetermined overhead rate based on Direct Labor Hours (DLH). The company based its 2020 predetermined overhead rate on the following estimates: 5,000 DLH's and $150,000 of total overhead. Actual information for 2020 was 5,100 DLH's and actual overhead of $160,000 Which of the following are true concerning their 2020 Manufacturing Overhead Account? Overhead was Under Applied by $10,000 None are correct. Overhead was Over Applied by $10,000 Overhead was Under Applied by $7,000 Overhead was Over Applied by $7,000