3. Assume we have the same slope of demand curve before 1964 and after 1964. Draw the two demand curves, write down the two demand functions, and calculate the elasticities when price increases from $800 to $ 1000, from $1200 to $ 1350, and then from $ 1500 to $ 1800. 4. Raise an example which you think the seller sets wrong price in the daily life. And explain. Individual homework, by hand-writing