Assume that Product A and Product B are substitutes in demand (for example, Diet Coke and Diet Pepsi). Which of the following is most correct? Multiple Choice If the price of Diet Coke goes up the demand for Diet Pepsi will go down. If the price of Diet Pepsi goes down the demand for Diet Coke will go down. If the price of Diet Coke goes down the demand for Diet Pepsi will be unaffected. None of the above