7. The latest model car in the dealer's showroom has a sticker price of $35,000.00. Fred, the shopper, has decided that he would pay no more than $32,000.00 for the car. After two hours of bargaining with the salesperson, Fred actually purchases the car for $31,000.00. Fred, therefore, has obtained a consumer surplus of
(A)$32,000.00.
(B)$1,000.00.
(C) $35,000.00.
(D) $4,000.00.