QUESTION 2 i) Use (a) no-return payback, (b) discounted payback at 15% and (c) pw analysis at 15% to select a system. Comment on the results. System 1 12,000 3,000 2,000 System 2 First cost S NCF $ per year 8,000 1,000 (year 1-5) 3,000 (year 6-14) Maximum life years 14 Solution: i) What is guideline/Criterion for economic justification of single project using B/C analysis? is following Project justified? P $3 M B $1,5000 K per year AOC $200 K per year D $100 K per year n 10 years iz6%