3. Dotsero Technology, Inc., has a job-order costing system. The company uses predetermined overhead 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: Depart. A Depart. 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: 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 Depart. A Depart. Mache You are required to: a. Compute the predetermined overhead rates for Department A and Department B. b. Compute the total overhead cost applied to Job 243. c. Compute the amount of underapplied or overapplied overhead in each department at the end of the current year. 43- 12 Depart. A Depart. B Machine-hours 250 60 Direct labour-hours 70 120 Direct materials cost 5840 $1,100 Direct labour cost S610 S880 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: 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: Depart. A Depart. B Machine-hours 61.000 20,000 Direct labour-hours 28,0001 66,000 Direct materials cost SI56,000 S284,000 Manufacturing overhead cost $385,000 $705,000