Question 7 A university needs to buy from two alternative CNC machines listed below. Use the AW method at 10% per year to select the better alternative. Machine A Machine B First cost, $ 370.500 250,000 50,000 40,000 Annual operating cost, per year Salvage value, $ Life, years 30,000 20,000 3 5 A $-72,704 What is the Annual worth of Machine A? What is the Annual worth of Machine B? Which macine is better on the basis of Annual worth analysis? B. $-142,824 C. Machine A D. Machine B E. $-27,407 5. $-134,485