Exercise 2-7 (Algo) Job-Order Costing; Working Backwards (LO2-1, LO2-2, LO2-3] 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 $20.50 per hour. During the year, the company started and completed only two jobsJob Alpha, which used 69,900 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 Total job cost ? ? ? $ 2,872,000 Job Omega Direct materials Direct labor Manufacturing overhead applied Total job cost $ 454,500 594,500 391,500 $1,440,500 Required: 1. Calculate the plantwide predetermined overhead rate. 2. Complete the job cost sheet for Job Alpha