Teddy Inc. uses a job costing system. During the month of May, Teddy spent most of its time on job A50, which was started late in April. Following is cost information for job A50, other May costs, and relevant annual estimates. Required: (1) What is the predetermined overhead rate under normal costing? (2) What is the cost for May for job A50 assuming a normal costing system? (3) Calculate the under- or over-applied overhead for the year..