This problem has been solved! see the answerpebbles corporation has two manufacturing departments--casting and finishing. the company used the following data at the beginning of the year to calculate predetermined overhead rates: casting finishing totalestimated total machine-hours (mhs) 2,000 3,000 5,000estimated total fixed manufacturing overhead cost $ 9,800 $ 6,300 $ 16,100estimated variable manufacturing overhead cost per mh $ 2.00 $ 2.40 during the most recent month, the company started and completed two jobs--job a and job l. there were no beginning inventories. data concerning those two jobs follow: job a job ldirect materials $ 15,400 $ 9,600direct labor cost $ 24,900 $ 6,200casting machine-hours 1,400 600finishing machine-hours 1,200 1,800assume that the company uses a plantwide overhead rate based on machine-hours. the total manufacturing cost assigned to job l is closest to: .$9,600$6,200$28,904$13,104

Total manufacturing cost=  $18,288

Explanation:

Giving the following information:

Casting  total machine-hours (MHs) 2,000

Finishing total machine-hours (MHs) 3,000

Total Estimated= 5,000

Casting  fixed manufacturing overhead cost= $ 9,800

Finishing fixed manufacturing overhead cost= $ 6,300

Estimated total= $ 16,100

Casting estimated variable manufacturing overhead cost per MH $ 2.00

Finishing estimated variable manufacturing overhead cost per MH  $ 2.40

Job L

Direct materials  $ 9,600

Direct labor cost $ 6,200

Casting machine-hours  600

Finishing machine-hours 1,800

Assume that the company uses a plantwide predetermined manufacturing overhead rate based on machine-hours.

Total manufacturing cost= (predetermined overhead rate* actual machine-hours) + (variable manufacturing overhead rate*actual machine-hours)  

predetermined overhead rate= total estimated manufacturing overhead/ total amount of allocation based

predetermined overhead rate= 16100/5000= $3.22 per machine-hour

Total manufacturing cost= (3.22* 2400 hours) + (2*2400+2.40*2400)= $18,288

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