Required: 1. Using the high-low method, estimate a cost formula for custodial supplies expense. (Round the "Fixed cost" to the nearest dollar amount and "Variable cost" to 2 decimal places.) -:-:- 2. Using the cost formula you derived above, what amount of custodial supplies expense would you expect to be incurred at an occupancy level of 14,400 occupancy-days? (In your computations, round "Variable cost per unit" to 2 decimal places and final answers to the nearest dollar amount.) Variable cost Fixed cost Total cost The Lakeshore Hotel's occupancy-days and custodial supplies expense over the last seven months were as follows: Custodial Occupancy- Supplies Month Days Expense March 18 , 600 $ 15 , 500 April 12 , 980 15 , 620 May 15 , 720 18 , 140 June 30 , 300 22 , 400 July 27 , 600 26 , 660 August 19 , 200 20, 270 September 15 , 700 18 , 870 Occupancy-days are a measure of the overall activity at the hotel. For example, when a guest stays at the hotel for three days, it is counted as three occupancy-days