Sanborn Industries has the following overhead costs and cost drivers. Direct labor hours are estimated at 100,000 for the year. Activity Cost Pool Cost Driver Est. Overhead Cost Driver Activity
Ordering and Receiving Orders $120,000 500 orders
Machine Setup Setups 297,000 450 setups
Machining Machine hours 1,500,000 125,000 MH
Assembly Parts 1,200,000 1,000,000 parts
Inspection Inspections 300,000 500 inspections
If overhead is applied using traditional-based costing on direct labor hours, the overhead application rate is:.
a) 9.60
b) 12.00
c) 15.00
d) 34.17

Predetermined manufacturing overhead rate= $34.17 per direct labor hour

Explanation:

Giving the following information:

Direct labor hours are estimated at 100,000 for the year.

Ordering and Receiving $120,000

Machine Setup $297,000

Machining  $1,500,000

Assembly $1,200,000

Inspection $300,000

Total estimated overhead= $3,417,000

To calculate the predetermined manufacturing overhead rate we need to use the following formula:

Predetermined manufacturing overhead rate= total estimated overhead costs for the period/ total amount of allocation base

Predetermined manufacturing overhead rate= 3,417,000/100,000

Predetermined manufacturing overhead rate= $34.17 per direct labor hour

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