A concrete vibrating equipment will be purchased for a cost of $107,425. After a useful life of 5 years it is assumed the equipment will be sold for $33,450. Assume interest of 7.5% for borrowing money, 4.3% for risk, and 2.2% as the equivalent interest rate for taxes, insurance, and storage, Calculate the annual ownership cost and the cost per hour assuming the equipment will be used 1920 hr. /yr. (25)