You are working with the manager of an irrigation facility who is interested in installing
a more efficient pumping system. The proposed system costs $15,000 and you project
that it will reduce the annual utility costs by $2,000. After five years, you expect to
upgrade the system for $4,000. This upgrade is expected to further reduce utility costs by
$1,000 annually. The annual effective interest rate is 7% and the life of the system, after
upgrade is 50 years. What is the Present Value of the investment in the system?
will reduce utility costs by 1000 annually, r=7%, t=50 years.The present value of the investment in the system will be calculated using the formula:
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