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Dvloping and Using a Predetermined Overhead Rate: High-Low Cost Estimation

For years, Mattoon Components Company has used an actual plantwide overhead rate and based its prices on cost plus a markup of 30 percent. Recently the marketing manager, Holly Adams, and the production manager, Sue Walsh, confronted the controller with a common problem. The marketing manager expressed a concern that Mattoon's prices seem to vary widely throughout the year. According to Adams, "It seems irrational to charge higher prices when business is bad and lower prices when business is good. While we get a lot of business during high-volume months because we charge less than our competitors, it is a waste of time to even call on customers during low-volume months because we are raising prices while our competitors are lowering them." Walsh also believed that it was "folly to be so pushed that we have to pay overtime in some months and then lay employees off in others." She commented, "While there are natural variations in customer demand, the accounting system seems to amplify this variation."

(b.) Assume that the Mattoon Components Company had the following total manufacturing overhead costs and direct labor hours in 2016 and 2017:

Total Manufacturing Overhead 2016 = $209,000

Total Manufacturing Overhead 2017= $249,000

Direct Labor Hours 2016 = 20,000

Direct Labor Hours 2017 = 28,000

Use the high-low method to develop a cost estimating equation for total manufacturing overhead.

Total costs = $______ + $____X

(c.) Find a predetermined rate for 2018, assuming 25,000 direct labor hours are budgeted for 2018.

Round answers to two decimal places.

$______

per direct labor hour

(d.) Assume that the actual level of activity in 2018 was 30,000 direct labor hours and that the total 2018 manufacturing overhead was $250,000. Determine the underapplied or overapplied manufacturing overhead at the end of 2018.

Do not use a negative sign with your answer.

$_______ (underapplied or overapplied?)