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4) Tyson Industries Ltd. has provided the following information: Maintenance Costs Machine Hours January February March April May June $ 2,900 $3,000 $ 3,600 $ 4,300 $3,200 $ 4,500 300 400 600 790 500 800 Required: 1) Using the high-low method, calculate the total fixed maintenance cost and the variable maintenance cost per machine hour. 5 Marks