Our Company's high and low level of activity last year was 62.500 units of product produced in June and 25.000 units produced in October Machine maintenance costs were $150,000 in June and $67.500 in October Using the high-low method determine an estimate of total maintenance cost for a month in which production is expected to be 45.000 units 5121 500 $130.250 5111.500 $100 000 Next