Engineering Economic Analysis Q#5

The either An engineer has received two bids for an elevator to beinstalled in a new building. bid which elevator will have to service the building for 30 years. Given a 10% interestrote should he accept? (20pt). Alternative Westing home S54,000 Installed cost S45,000 Annual cost S2700 4500 Salvage value S3000 15 years Life, in years 10 years 1. Draw cash flow (5pt) 2. Derive equation and solve (15pt)