Sheridan Cerp. Kas collected the following data concerraing iss maingenance costs for the part 6 moeths. (a1) Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places, e.3. 2.25.) Variable cost per unit Sheridan Cerp. Kas collected the following data concerraing iss maingenance costs for the part 6 moeths. (a1) Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places, e.3. 2.25.) Variable cost per unit