and what is the total fixed cost?

The controller of Wildhorse Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Maintenance Costs Month Total Machine Hours 4.200 4,880 7,320 January February March April May June $3,221 3,660 4,350 5,490 3,820 5,586 9,680 6,100 9,700 (21) Determine the variable-cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Variable cost per machine hour $