At a price of $4,a gas station sold 100 gallons of gasoline per week.When the price rose to $4.5,only 80 gallons were sold per week.Using the initial-value method,the price elasticity of demand for gasoline at Greedy Inc.Gas Station is
A) 0.16.
B) 0.2.
C) 1.6.
D) 2.0.

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The Answer of At a price of $4,a gas station sold 100 gallons of gasoline per week.When the price rose to $4.5,only 80 gallons were sold per week.Using the initial-value method,the price elasticity of demand for gasoline at Greedy Inc.Gas Station is
A) 0.16.
B) 0.2.
C) 1.6.
D) 2.0.

At a Price of $4,a Gas Station Sold 100 Gallons