Molly 's utility function is U ( x y ) = y + 4 x 1 2 . She has 25 units of x and 12 units of y . If he consumption of x is reduced to O , how many units of y would she need in order to be exactly as well off as before ? 2 . 48 b . 37 C . 32 d . 112 e . None of the above