Hahn Company uses a job-order costing system. Its 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 jobsJob Alpha, which used 54,500 direct labor-hours, and Job Omega. The job cost sheets for these two jobs are shown below: Job Alpha Direct materials ? Direct labor ? Manufacturing overhead applied ? 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