When the price of a smartphone increases 4 percent, the quantity of phone calls demanded decreases by 2 percent. Calculate the cross elasticity of demand for phone calls with respect to the price of a...

Extracted text: When the price of a smartphone increases 4 percent, the quantity of phone calls demanded decreases by 2 percent. Calculate the cross elasticity of demand for phone calls with respect to the price of a smartphone. Given the cross elasticity of demand for phone calls with respect to the price of a smartphone, what is the relationship between smartphones and phone calls? The cross elasticity of demand for phone calls with respect to the price of a smartphone is >>> Answer to 1 decimal place. >>> If your answer is negative, include a minus sign. If your answer is positive, do not include a plus sign. We can use the cross elasticity of demand to determine that smartphones and phone calls are O A. inferior goods B. substitutes C. complements D. normal goods