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Exercise 6-1 Applying the High-Low Method; Predicting Cost (LO2 - CC9) 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, 250 $ 14, 430 tipped April 12, 700 15, 150 May 15, 300 19,420 June 29, 250 23,950 July 25, 500 27 , 450 erences August 17,800 20, 710 September 15, 090 19, 450 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