the WINDOWS icon (bottom left of ewconnect.mhedu html Saved At the various activity levels shown, Harper Company incurred the following costs a. Rental cost per unit of merchandise sold b. Total phone expense c. Cost per unit of supplies d. Total insurance cost e. Total salary cost f. Total cost of goods sold 80 88.00100.e9 120.ee 480.00 480.00 1,200.60 1,600.e0 2,000.00 2,400.0 2,860.00 1,800. ,60e,e0 5,400.00 7,200.0 9,000.00 . Depreciation cost per nit h. Total rent cost i. Total cost of shopping bags j. Cost per unit of merchandise sold 3,200.00 3,200.00 3,200.00 3,200.e3,280.0 90.00 90.09 Required dentify each of these costs as fixed, variable, or mixed DELL