7-34. Refer to Problem 6-79. The alternatives all have a MACRS (GDS) property class of three years. If the effective income tax rate is 40% and the after-tax MARR = (1 − 0.4)(12%) = 7.2% per year, which alternative should be recommended? Is this the same recommendation you made when the alternatives were analyzed on a before-tax basis? (7.10)