Assume the elasticity of demand for electricity, a necessity good with few substitutes, is -0.2. If the electric company raised its rates by 10 percent, we would expect a(n):

a. indeterminable change in quantity demanded.

b. 2 percent decrease in quantity demanded.

c. 10 percent decrease in quantity demanded.

d. 2 percent increase in quantity demanded.

e. 10 percent increase in quantity demanded.