Question 21 (2 points) If beer and marijuana had been found to be substitutes, what would a tax placed on beer do? O decrease the quantity demanded of marijuana O increase the quantity demanded of marijuana O decrease the demand for marijuana O increase the demand for marijuana Question 22 (2 points) As the price elasticity of demand increases, what happens to the slope of the linear demand curve? O The demand curve will be steeper through a given point. O The price elasticity of demand will be closer to the slope of the curve. O The price elasticity of demand will be further from the slope of the curve. O The demand curve will be flatter through a given point