Machine-hours Direct labour-hours Direct materials cost Direct labour cost Machine-hours Department Direct labour-hours Direct materials cost Manufacturing overhead cost 450 70 $1,000 $700 B At the end of the year, the records of James Bond, Inc. showed the following actual cost and operating dats for all jobs worked on during the year. A 75,000 30,000 $160,000 $390,000 75 140 $1,100 $900 Department B 35,000 70,000 $290,000 $705,000 Required: Compute the predetermined overhead rates for Department A and Department B