The owner of a produce store found that when the price of a head of le
The owner of a produce store found that when the price of a head of lettuce was raised from 50 cents to $1, the quantity sold per hour fell from 18 to 8. The arc elasticity of demand for lettuce is
A) -0.56.
B) -1.15.
C) -0.8.
D) -1.57.
ANSWER
B
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