Recent Research Estimates That the Short-Run Price Elasticity of Demand

Recent research estimates that the short-run price elasticity of demand for gasoline in the U.S. is -0.3, and the long-run price elasticity of demand is -1.4. What happens if the govenment increases the federal gasoline tax?

A) Consumer expenditures on gasoline increase over the short run and long run
B) Consumer expenditures on gasoline decline over the short run and increase over the long run
C) Consumer expenditures on gasoline increase over the short run and decline over the long run
D) Consumer expenditures on gasoline decrease over the short run and long run