The Lakeshore Hotel's occupancy-days and custodial supplies expense over the last seven months were as follows: Month March April May June July August September Occupancy- Days 18,950 13,260 16, 140 31,350 29,700 20,600 16,400 Custodiat Supplies Expense $17,350 17,450 18,200 22,050 26,650 20.750 19,350 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.) 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 15,800 occupancy-days? (In your computations, round "Variable cost per unit" to 2 decimal places and final answers to the nearest dollar amount.) Amount Variable cost Fixed cost Total cost