A Cross Price Elasticity of Demand for Product $A$ With Respect to the Price of Product

A cross price elasticity of demand for product $A$ with respect to the price of product $B$ of 0.3 means that

A) an increase in the price of A by 10 percent gives rise to an increase in quantity demanded of B by 3 percent.
B) an increase in the price of B by 10 percent gives rise to an increase in the quantity demanded of A by 3 percent.
C) an increase in the price of B by 10 percent gives rise to a decrease in the quantity demanded of A by 3 percent.
D) an increase in the price of A by 10 percent gives rise to a decrease in the quantity demanded of B by 3 percent.