Please review the below table and answer the following questions and provide the formulas.

The AMS Manufacturing Company uses a job costing system with machine hours as the allocation base for overhead.The company uses normal costing to develop the overhead allocation rate.The following data are available for the latest accounting period:

Estimated fixed factory overhead cost SAR 160,000

Estimated machine-hours 100,000

Actual fixed factory overhead cost incurred SAR 170,000

Actual machine-hours used 110,000

Jobs worked on:

Job No.Machine Hours Used

102012,000

103018,000

104015,000

105010,000

a.Compute the overhead allocation rate.

b.Determine the overhead allocated to job 1040.

c.Determine total over or underapplied overhead at the end of the year