Q2: The designer of the penstock for a small hydroelectric cogeneration station has the option of using steel pipe, which costs $150,000 installed and requires $4000 yearly for painting and leak-checking maintenance, or DSR4.3 (heavy-duty plastic) pipe, which costs $170,000 installed and requires $1150 yearly for leak-checking maintenance. Both options have an expected life of 30 years. If the interest rate is 8%, which choice has the lower present equivalent cost, and how much lower is it?
Q2: The designer of the penstock for a small hydroelectric cogeneration station has the option of using steel pipe, which costs $150,000 installed and requires $4000 yearly for painting and leak-checking maintenance, or DSR4.3 (heavy-duty plastic) pipe, which costs $170,000 installed and requires $1150 yearly for leak-checking maintenance. Both options have an expected life of 30 years. If the interest rate is 8%, which choice has the lower present equivalent cost, and how much lower is it?
Chapter1: Financial Statements And Business Decisions
Section: Chapter Questions
Problem 1Q
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