If the Price of Ground Beef Falls from $7 to $4,and

Multiple Choice

If the price of ground beef falls from $7 to $4,and this leads to an increase in demand for beans from 80 to 120 cans,what is the cross-price elasticity of beans and ground beef at a ground beef price of $4?

A) −0.87
B) 1.21
C) 0.52
D) −0.44