Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 24

Compare the after-tax ROR values using both methods-CFAT series and approximation from the CFBT values using the before-tax ROR and T e.
After 4 years of use, Procter and Gamble has decided to replace capital equipment used on its Zest bath soap line. The equipment was MACRS-depreciated over a 3-year recovery period. After-tax MARR is 10% per year, and T e is 35% in the United States. The cash flow data is tabulated in $1000 units.