Select the WRONG equation for the equivalent uniform cost from the list below. The interest rate is 9%. *** * 1 2 3 4 5 6 7 A? Year Flow 1 2 3 4 X1 = $270 X2 - $180 X3 - $90 0 Xs - $90 X = $180 X7 - $270 5 6 7 O 270-90{P/G, 9%, 7)(A/P. 9%. 7) + 180{P/G,9%, 4XP/F. 9%, 3A/P, 9%, 7) O (270{P/F. 9%, 1) + 180{P/F,9%, 2) + 90{P/F, 9%, 3) + 90(P/F, 9%, 5) + 1801P/F, 9%, 6) + 270(P/F,9%, 7)(A/P. 9%, 7) 270{F/P. 9%, 6) +180(F/P.9%, 5) +90(F/P. 9%, 4) + 904F/P. 9%, 2) + 180/F/P. 9%, 1) + 270](A/F. 9%, 7) (270(F/P. 9%, 6) + 180{F/P. 9%, 5) + 90(F/P. 9%, 4) + 90(F/P. 9%, 2) + 180{F/P. 9%, 1) + 270](A/P, 9%, 8)