Question: A software package created by Navarro & Associates can be used for analyzing and designing three-sided guyed towers and three- and foursided self-supporting towers. A

A software package created by Navarro & Associates can be used for analyzing and designing three-sided guyed towers and three- and foursided self-supporting towers. A single-user license will cost $4000 per year. A site license has a onetime cost of $15,000. A structural engineering consulting company is trying to decide between 2 alternatives: first, to buy one single-user license now and one each year for the next four years

(which will provide five years of service), or second, to buy a site license now. Determine which strategy is more economical at an interest rate of 12% per year for a 5-year planning period.

Apply the present worth method of evaluation.

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