46 Exercise 5 Yankee Co. had the following machine maintenace costs over the last several months. Using the high-low method, estimate both fixed and variable costs 47 48 49 50 51 Month January February March April May June Hours 240 180 $ $ $ Cost 3,600 2,900 2,600 4,600 4,000 2,200 150 52 $ 360 53 300 $ $ 54 120 55 56 a) Variable cost per hour b) Total fixed costs If Yankee uses its machine for 70 hours in July, what should it estimate for maintenance costs? 60 61 62 c) Expected maintenance costs X 64