At the various activity levels shown, Yates Company incurred the following costs. Identify each of these costs as fixed, variable, or mixed.

Units Sold a. Total cost of shopping bags Cost per unit of merchandise sold c. Rental cost per unit of merchandise sold d. Total phone expense e. Cost per unit of supplies f. Total insurance cost g. Total salary cost h. Total cost of goods sold i. Depreciation cost per unit i. Total rent cost 100 2.00 4.00 6.00 8.00 10.00 90.00 90.00 90.000 90.00 90.00 720 9.00 36.00 18.00 12.00 80.000 100.00 120.00 140.00 160.00 1.00 1.00 1.00 1.00 1.00 480.000 480.00 480.00 480.00 480.00 1.200.00 1,600.00 2.000.00 2400.00 2,800.00 1,800.00 3,600.00 5,400.00 7,200.00 9,000.00 48.00 80.00 240.00 120.00 60.00 3,200.00 3,200.00 3,200.00 3,200.00 3,200.00