18 of 25 estion 18 2 points Save Answer "Equipment was purchased for 90,000. Freight charges amounted to 4,200 and there was a cost of 12.000 for building a foundation and installing the equipment. It is estimated that the equipment will have a 18,000 residual value at the end of its 5-year useful life. Depreciation expense each year using the straight-line method will be." 17.640 14,760 14,400 21,240