Cullumber Corp, has collected the following data concerning its maintenance costs for the past 6 months. Units Total Cost July August September October November December Produced 19,900 35,392 39.816 24,332 44,240 42,028 $44,670 53.088 60,830 47.356 82,397 68,572 (a1) Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places, eg. 225.) Variable cost per unit $ Sve for Lite Attempts: 0 of I used Submit