Discount rate is 4% and total n = 30 years. Given PW of investment = $71.89 ; PW of cost = $26.87 ; PW of benefits = $167.41 and PW of disbenefits = $80.12 I want to know how calculate PW of investment, cost, benefit and disbenefits separately based upon the following information: Initial investment: $88 million distributed over 5 years; $4 million now and in year 5 and $20 million in each of years 1 through 4. Annual M&O cost: $1 million per year, plus an additional $3 million each fifth year, including year 30. Annual revenue/benefits: Include tolls and retail/commercial growth; start at $2 million in year 1, increasing by a constant $0.5 million annually through year 10, and then increasing by a constant $1 million per year through year 20 and remaining constant thereafter. Estimable disbenefits: Include loss of business income, taxes, and property value in surrounding areas; start at $10 million in year 1, decrease by $0.5 million per year through year 21, and remain at zero thereafter.
Please check in your question that values of PW investment and PW of Benefits might be different as calculation shows different result for them. Please seethrough the excel photo
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