Maintenance expenses of a company are to be analyzed for purposes of constructing a flexible budget. Examination of past records disclosed the following costs and volume measures Cost per month Machine hours Highest $46 , 51,800 Lowest $32,000 35 35,000 Using the high-low method, the estimated variable cost per machine hour is (Round your answer to the nearest cent.) Multiple Choice $0.88 C 50.80 O $108 O $128 $0.98 O $0.48