You are considering two machines that will improve the automated wrapping process for Amazon shipments. Both machines provide the same performance. Select the best machine based on a) PW analysis and b) AW analysis at a MARR of 6% p.a. Machine A Machine B Initial -40,000 -65,000 cost AOC -10,000 -12,000 Salvage 12,000 25,000 Life (years) 3 6