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Forestry Products Company uses a joborder costing system at its Woodton, New Brunswick, manufacturing plant. The plant has a cutting and a nishing department. The company uses departmental overhead rates to apply overhead to products. Overhead is applied in the cutting department using machine hours and overhead is applied in the nishing department using direct labour hours. The 2019 budget for the plant was as follows: : E' . | . Department Department Manufacturing overhead costs $ 10,455,000 $ 5,800,000 Direct manufacturing labour $ 9407000 $ 3,800,000 cos 5 Direct manufacturing labour 36,000 160,000 hours During the month of September 2019, the job cost sheet for Job 777 showed the following: Direct materials used $ 15,500 Direct manufacturing labour $ 400 $ 1,100 costs hours 140 90 Machine hours Actual results at the end of 2019 were as follows: Manufacturing overhead costs $ 10,600,000 $ 5,810,000 Direct manufacturing labour costs $ 833,000 $ 4,073,000 Direct manufacturing labour hours 211,000 _ REQUIRED: 35,000 155,000 a. Determine the manufacturing overhead rate in the Cutting Department and the manufacturing overhead rate in the Finishing Department. b. Determine the amount that would have been billed to Job 777 assuming the company marks its full manufacturing costs up by 40 percent to arrive at the amount to be billed to customers. c. Determine the total underapplied or overapplied overhead in the Finishing department for the year. d. Why might Forest Products Company use departmental overhead rates instead of one plant-wide overhead rate