Question 4: Cooper Company incurred the following costs and machine hours during the last three months of the current year 2020: C Type of cost Electricity Depreciation Factory supplies Property taxes $22,000 16,000 8,600 13,000 B $50,000 16,000 4,600 13,000 $12,000 10,000 6,600 13,000 Machine hours 1,200 1,500 950 Instructions: A. Using the high-low method, construct a cost formula for electricity cost. B. If Cooper had a total cost in January 2021 of $60,000, how many machine hours did they incur during January