Multiple Choice Question 67 Vaughn Manufacturing's high and low level of activity last year was 58000 units of product produced in May and 18000 units produced in November. Machine maintenance costs were $247000 in May and $87000 in November. Using the high-low method, determine an estimate of total maintenance cost for a month in which production is expected to be 47000 units $232000 O $199250 $203000 $221250