Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

تمرين 52

The incremental cash flows for two alternative electrode setups are shown. The MARR is 12% per year, and alternative Dryloc requires a larger initial investment compared to NPT.
a) Determine which should be selected using an AW-based rate of return analysis.
b) Use a graph of incremental values to determine the largest MARR value that will justify the NPT alternative.