Draw a map of supply and demand in an importingcountry. Before trade is allowed, what is the surplus of consumers and producers?
A.
before trade is allowed, consumer surplus is areaA, producer surplus is areaB + C
B.
before trade is allowed,consumer surplus is areaA producer surplus is areaB + D
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举一反三
【简答题】Who are supposed to pay for the wedding? [A] The bride's parents. [B] The groom's parents. [C] The bride's and the groom's parents. [D] The couple themselves.