The Lakeshore Hotel's occupancy-days and custodial supplies expense over the last seven months were as follows Month March April May Jure July August September Occupancy- Days 18,350 12,780 15, 420 29,550 26,100 18,200 15,200 Custodia Supplies Expense $11,950 12,300 15,200 18.450 21,250 15,950 15, 150 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