Bob Jones owns a catering company that stages banquets and parties for both individuals and companies. The business is seasonal, with heavy demand during the summer months and year-end holidays and light demand at other times. Bob has gathered the following cost information from the past year:

Required
a. Using the high-low method, compute the overhead cost per labor hour and the fixed overhead cost per month.
b. Bob has booked 2,800 labor hours for the coming month. How much overhead should he expect to incur?
c. If Bob books one more catering job for the month, requiring 200 labor hours, how much additional overhead should he expect to incur?
d. Bob recently attended a meeting of the local Chamber of Commerce, at which he heard an accounting professor discuss regression analysis and its business applications. After the meeting, Bob enlisted the professor€™s assistance in preparing a regression analysis of the overhead data he collected. This analysis yielded an estimated fixed cost of $48,000 per month and a variable cost of $4 per labor hour. Why do these estimates differ from your high-low estimates, calculated in part(a)?

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Month Labr ours Overhead Costs 0 2,500 2,800 3,000 4,200 4,500 5,500 6,500 7,500 7,000 4,500 3,100 6,500 57,600 $55,000 59,000 60,000 64,000 67,000 71,000 74,000 77,000 75,000 68,000 62,000 73,000 $805,000 anuary February March April May une July August September October November December Total