【单选题】The absolute value of the price elasticity of demand for gasoline in the long run has been estimated to be 1.5. If an extended war in the Middle East caused the price of oil (from which gasoline is ma...
A.
. Total expenditures would rise.
B.
. Total expenditures would fall.
C.
. Total expenditures would remain unchanged.
D.
. Not enough information is given to answer the question.