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【单选题】
Suppose the domestic supply (Q S ) and demand (Q D )for MP3 players in the United States are given by the following set of equations: Q S = –25 + 10P Q D = 875 – 5P In the absence of trade with the rest of the world, the consumer surplus in the United States ’ MP3 player market is _____ . a. $ 22,562.50 b. $ 30,062.50 c. $3 3 ,062.50 d. $19,500 .00A.
B.
C.
D.
D
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