Elrimfield Catering uses the highlow method to predict its total overhead costs. jast records show that total overhead cost was $25300 when 860 hours were worked and $21800 when 960 hours were worked. If Brimeld Catering has 885 hours scheduled for next month, what is the expected total overhead cost for next month? Use the highlow method to determine the variable and xed costs components of Brimeld lCatering's operating cost equation. First identify the formula and calculate the variable cost component (slope). (Enter the variable cost per unit to the nearest cent.) | TI + :l : Variable cost perunit Change in costs Change in volume Total fixed cost Total mixed cost Total variable cost Variable cost per unit