If the price elasticity of demand for gasoline is 0.20:

• A.the demand for gasoline is linear.
• B.a rise in the price of gasoline will reduce total revenue.
• C.a 10 percent rise in the price of gasoline will decrease the amount purchased by 2 percent.
• D.a 10 percent fall in the price of gasoline will increase the amount purchased by 20 percent.