Hahn Company uses a job-order costing system. It's plantwide predetermined overhead rate uses direct labor-hours as the allocation base. The company pays its direct laborers $15 per hour. During the year. the company started and completed only two jobs-Job Alpha, which used 54.500 direct labor-hours, and Job Omega. The job cost sheets for the these two jobs are shown below Job Alpha Direct materials Direct labor Manufacturing overhead applied ? ( 184, 000) Total job cost $1,533,500 Job Omega Direct materials $235,000 Direct labor 345,000 Manufacturing overhead applied 184,000 Total job cost $ 764.000 Required: 1. Calculate the plantwide predetermined overhead rate. 2. Complete the job cost sheet for Job Alpha