Dotsero Technology, Inc., han a job order conting system. The company uses predetermined overheed rates in applying manufacturing overhead cost to individual jobs. The predetermined overhead rate in Department A is based on machine hours, and the rate in Department B is based on direct materials cost. At the beginning of the most recent year, the company's management made the following estimates for the year: Machine-hours Direct labour-hours Direct materials cost Direct labour cost Manufacturing overhead cost Department B 70,000 19,000 30,000 60,000 $195,000 $282,000 $260,000 $520,000 $420,000 $705,000 Job 243 entered into production on April 1 and was completed on May 12. The company's cost records show the following information about the job: Machine-hours Direct labour-hours Direct materials cost Direct labour cost Department B 250 60 70 120 $840 $1.100 $610 $880 At the end of the year, the records of Dotsero showed the following actual cost and operating data for all jobs worked on during the year: Machine-hours Derect labour-hours Drect materials cost Manufacturing overhead cost Department B 61,000 20.000 28,000 66,000 $156,000 $284,000 $385.000 $705.000 Required: (Round to 3 decimals) a.) Compute the predetermined overhead rates for Department A and Department B. (5 marks) b.) Compute the total overhead cost applied to Job 243. (5 marks) c.) Compute the amount of underapplied or overupplied overhead in each department at the end of the current year. (8 marks) Page 5 of 6