Wildhorse Corp. has collected the following data concerning its maintenance costs for the past 6 months. (a1) Compute the variable cost per unit using the high-low method. (Round onswer to 2 decimal places, eg. 2.25.) Variable cost per unit $ Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places, eg. 2.25.) Variable cost per unit (a2) Compute the fixed cost elements using the high-low method