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If the San Diego Opera decreases the price of their opera tickets and their total revenue falls, then this suggests that, at the original price, the demand for tickets to the San Diego Opera was:

If the San Diego Opera decreases the price of their opera tickets and their total revenue falls, then this suggests that, at the original price, the demand for tickets to the San Diego Opera was:
A.either elastic or inelastic.
B.elastic.
C.unit elastic.
D.inelastic.
正确答案:inelastic.