1. Hospital is evaluating the purchase of new office equipment from three vendors. Assume MARR=15% and 4 year useful life on all equipment. Select best vendor. Assume: Analysis period = useful life = 4 yrs Company A Company B Company C First Cost $15K $25K $20K Annual O&M 1600 400 900 Annual Benefit 8K 13K 11K Salvage Value 3K 6K 4.5K - What is the NPV of company B? - If you had $500,000 today in an account earning 10% each year, how much could you withdraw each year for 25 years?