Engineering Economy class

Analysis problem,40 pts with partial credit: cash low diagram 10 p ations 10 pts, co J.R. Enterprises must choose one of the following plans for expansion. Alt. B 21,000 $8,000 $7,000 1,000 $8,000 3 Years Alt. C Initial Cost EUAB EUAC Salvage Value Life Alt. A $10,000 S6,000 $1,500 $4,000 $2,000 $3,000 S2,000 2 Years Years 2 Years 1. Using present worth analysis, find the best alternative among the three alternatives. (20 2. Using annual cash flow analysis, find the best alternative among the three alternatives