13. AGE of ICE Inc. uses packing machines to prepare its products for shipping. One machine costs $178,000 and lasts about 4 years before it needs to be replaced. The operating cost per machine is $16,000 a year. What is the equivalent annual cost (BAC) of one mashine if the required rate of return is 12 percent? (a) $65,378.93 (b) $71,571.72 (c) $73,224.40 (d) $74,603.73