Maintenance cost for small bridge with an expected 50 year life are estimated to be $15,000 each year for the first 7 years, followed by a $20,000 expenditure in the year 16 and a $30,000 expenditure in the year 30. If interest rate is at 10% compounded monthly. What is the equivalent present value of the entire maintenance cost of that bridge? (Round off the interest rate to 5 decimal places) what is the equivalent uniform annual cost over the entire-50 year period?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Solve the following question with complete solution and include cash flow diagram (HANDWRITTEN ONLY)

Maintenance cost for small bridge with an expected 50 year life are estimated to be $15,000 each year for the first 7 years, followed by a $20,000 expenditure in the year 16 and a $30,000 expenditure in the year 30. If interest rate is at 10% compounded monthly. What is the equivalent present value of the entire maintenance cost of that bridge? (Round off the interest rate to 5 decimal places) what is the equivalent uniform annual cost over the entire-50 year period?

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