Refer to the figure above. In the original market equilibrium:
A.60 cups of coffee are sold for $1.50 each.
B.50 cups of coffee are sold for $2.50 each.
C.40 cups of coffee are sold for $2.00 each.
D.50 cups of coffee are sold for $1.00 each.
正确答案：40 cups of coffee are sold for $2.00 each.
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