Is "Ideally, consumers would replace Coca Cola and Pepsi with less expensive substitute products such as tea, coffee, juice, water, sprite etc. Consumers may also reduce the quantity of the beverage that they usually buy" and "Ideally, consumers would replace Coca Cola and Pepsi with less expensive substitute products such as tea, coffee, juice, water, sprite etc. Consumers may also reduce the quantity of the beverage that they usually buy."
What is the relationship between the income and demand with respect to normal goods? Answer the same question with respect to inferior goods