4 The best alternative is Alternative Initial cost PW of benefit B/C Ratio (AB/AC). A $4,000 $7,330 1.83 B $6,000 $8,730 1.46 0.7 A. Alternative A B. Alternative B C. Either D. None oft 5 A new computer costs $10,000 with a life of 5 years. It saves the following amount each year $4,000; $3,000; $3,000: $2,000; and $2,000, respectively. The payback period is A. 2 years B. 3 years C. 4 years D. 5 years