Suppose that the quantity of a good demanded rises from 90 units to 110 units when the price falls from $1.20 to 80 cents per unit. The price elasticity of demand for this product is
A) 1.0
B) 4.0
C) 0.5
D) 2.0
E) 1.5

Question

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The Answer of Suppose that the quantity of a good demanded rises from 90 units to 110 units when the price falls from $1.20 to 80 cents per unit. The price elasticity of demand for this product is
A) 1.0
B) 4.0
C) 0.5
D) 2.0
E) 1.5

Suppose That the Quantity of a Good Demanded Rises from 90