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 $14.00 per hour. During the year, the company started and completed only two jobs-Job Alpha, which used 57,600 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 $ 1,638,000 Job Omega Direct materials Direct labor Manufacturing overhead applied Total fob cost $ 218,300 331,800 165,900 $ 716,000 Required 1. Calculate the plantwide predetermined overhead rate 2. Complete the job cost sheet for Job Alpha