The Demand for Space Heaters Is Q = 250 -

Multiple Choice

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 this month is 40°F.When the price of space heaters is P = $50,the price elasticity of demand is:

A) -1.38.
B) -13.8.
C) -0.138.
D) -1.50.
E) -0.25.