In: Civil Engineering
Alternative 1 has a capital cost of $2,069,000 and annual O&M cost of $348,000
Alternative 2 has a capital cost of $7,182,000 and annual O&M cost of $394,000
Number of years = 30, interest rate = 3%
Compare the two alternatives using the present worth method AND annual cost method. Which is least costly? Are the conclusions same for each method?