弱问一道prep题

yunshishow

173.    
In a certain state, gasoline stations compute the price per gallon p, in dollars, charged at the pump by adding a 4 percent sales tax to the dealer's price per gallon d, in dollars, and then adding a gasoline tax of $0.18 per gallon.  Which of the following gives the dealer's price per gallon d in terms of the price per gallon p charged at the pump?

(A) d = p - 0.22
(B) d = P/ 1.22
(C) d = (P/1.04) – 0.18
(D) d = (P - 0.18)/1.04
(E) d = (P-0.04)/1.18
期待筒子们的答复！