Problem 5-53 High-Low Method, Scattergraph (LO 5-4) 1 Academy Products manufactures a variety of custom components for use in aircraft navigation and communications systems. The controller has asked for your help in estimating fixed and variable overhead costs for Academy's Rio Puerco plant. The controller tells you that the best cost driver for estimating overhead is machine-hours. Monthly data on machine-hours and overhead costs for the last year have been collected and are shown below: Month Machine Hours Overhead Costs 720.000 $ 730,000 990,000 2,260,000 810,000 1,310,000 755.000 870,000 1,080,000 3,790,000 890,000 1,490,000 7 795,000 1,190,000 860,000 1,590,000 1,025,000 2,590,000 725,000 930,000 760,000 1,070,000 12 790,000 1,000,000 2 3 4 5 6 8 9 10 11 Required: a. Estimate the monthly fixed costs and the unit variable cost per machine-hour using the high-low estimation method. (Round variable cost per unit to 1 decimal place.) Overhead costs per MH Machine hour