Question 13 4.5 pts Magnolia Company's high and low level of activity last year was 60.000 units of product produced in April and 20,000 units produced in October. Machine maintenance costs were $104,000 in April and $40,000 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. O $96,000 $90,000 $80,000 O $78,000