The Lakeshore Hotel's occupancy-days and custodial supplies expense over the last seven months were as follows: Custodial Supplies Month Occupancy-Days Expense March 10,200 $ 17,540 April 10,400 17,680 May 12,500 19,450 June 20,500 24,750 July 28,800 30,560 August 20,000 23,050 September 16, 100 21,020 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. Required: 1. Using the high-low method, estimate a cost formula for custodial supplies expense. (Round the "Variable cost" to 2 decimal places.) Y = X 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 15,200 occupancy-days? Variable cost Fixed cost Total cost