Required: 1. Calculate the plantwide predetermined overhead rate. 2. Complete the job cost sheet for Job Alpha. Complete this question by entering your answers in the tabs below. Complete the job cost sheet for Job Alpha. Note: Round your intermediate calculations to 2 decimal places. Hahn Company uses job-order costing. Its plantwide predetermined overhead rate uses direct labor-hours as the allocation base. The company pays its direct laborers $20.50 per hour. During the year, the company started and completed only two jobs-Job Alpha, which used 69,900 direct labor-hours, and Job Omega. The job cost sheets for these two jobs are shown below