-Refer to Figure 5.1.Using the initial-value method,if the price of a hamburger is decreased from $10 to $8,the price elasticity of demand equals:
A)1.5.
B)5.0.
C)1.0.
D)2.0.

Question

-Refer to Figure 5.1.Using the initial-value method,if the price of a hamburger is decreased from $10 to $8,the price elasticity of demand equals:
A)1.5. 
B)5.0. 
C)1.0. 
D)2.0.

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The Answer of 
-Refer to Figure 5.1.Using the initial-value method,if the price of a hamburger is decreased from $10 to $8,the price elasticity of demand equals:
A)1.5. 
B)5.0. 
C)1.0. 
D)2.0.