Studies Indicate That the Price Elasticity of Demand for Beer

Multiple Choice

Studies indicate that the price elasticity of demand for beer is about 0.9.A government policy aimed at reducing beer consumption changed the price of a case of beer from $10 to $20.According to the midpoint method,the government policy should have reduced beer consumption by

A) 30%.
B) 40%.
C) 60%.
D) 74%.