Oman Fiber Optic Manufacturing Company uses a job order cost system in each of its two manufacturing departments. Manufacturing overhead is applied to jobs on the basis of direct labor cost in Department E and machine hours in Department I. In establishing the predetermined overhead rates for 2019, the following estimates were made for the year. Department Manufacturing overhead s525.000$420,000 Direct labor costs $750,000 $225.00 Machine hours 200,000; 60,000 During January, the job cost sheets showed the following costs and production data. Department Direct materials used S70,000:S39,000 Direct labor costs ene . Manufacturing overhead incurred:S44,500:S36,000 Machine hours : 17,000: 5.200 560.000$18.750 Instructions: (a) Compute the predetermined overhead rate for each department. (b) Compute the total manufacturing costs assigned to jobs in January in each department. (c) Compute the under-or-over applied overhead for each department at January 31. Oman Fiber Optic Manufacturing Company uses a job order cost system in each of its two manufacturing departments. Manufacturing overhead is applied to jobs on the basis of direct labor cost in Department E and machine hours in Department I. In establishing the predetermined overhead rates for 2019, the following estimates were made for the year. Department Manufacturing overhead s525.000$420,000 Direct labor costs $750,000 $225.00 Machine hours 200,000; 60,000 During January, the job cost sheets showed the following costs and production data. Department Direct materials used S70,000:S39,000 Direct labor costs ene . Manufacturing overhead incurred:S44,500:S36,000 Machine hours : 17,000: 5.200 560.000$18.750 Instructions: (a) Compute the predetermined overhead rate for each department. (b) Compute the total manufacturing costs assigned to jobs in January in each department. (c) Compute the under-or-over applied overhead for each department at January 31