Predetermined Overhead Rates: Leomard Company estimates its manufacturing overhead to be $20,000 and its direct labor costs to be $40,000 for Year I. The actual direct labor costs were $10,000 for Job 1 ; $15,000 for Job 2; and $20,000 for Job 3 during Year 1 . The actual manufacturing overhead was $24,000 during Year 1 .

Required:

a. How much overhead was assigned to each job during Year 1?

b. What was the manufacturing overhead variance for Year 1?