The demand for space heaters is Q = 250 - P + 2COOL,where COOL is the absolute value of the difference between the average overnight low temperature and 40°F.Assume that the average overnight low is 0°F.When the price of space heaters is P = $30,the price elasticity of demand is:
A) -0.1.
B) -1.0.
C) -0.66.
D) -1.5.
E) -6.6.

Question

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The Answer of The demand for space heaters is Q = 250 - P + 2COOL,where COOL is the absolute value of the difference between the average overnight low temperature and 40°F.Assume that the average overnight low is 0°F.When the price of space heaters is P = $30,the price elasticity of demand is:
A) -0.1.
B) -1.0.
C) -0.66.
D) -1.5.
E) -6.6.

The Demand for Space Heaters Is Q = 250 -