Sweet Acacia Company is considering the purchase of a new machine. The invoice price of the machine is $87,120, freight charges are estimated to be $3,120, and installation costs are expected to be $7,680. The annual cost savings are expected to be $24,000 for 10 years. Calculate the cash payback period. (Round answer to 2 decimal places, e.g. 15.25.) Cash payback period years eTextbook and Media