Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

تمرين 40

If the after-tax rate of return for a cash flow series is 11.2% and the corporate effective tax rate is 39%, the approximated before-tax rate of return is closest to:
a) 6.8%
b) 5.4%
c) 18.4%
d) 28.7%