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, 300 $ 16, 700 April 12, 740 17, 250 May 15 , 360 20 , 150 jok June 29, 400 23, 350 + July 25, 800 26, 000 int August 18 , 000 20, 750 September 15 , 100 20 , 000 ences 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 "Fixed cost" to the nearest dollar amount and "Variable cost" to 2 decimal places.) Y = X