a. If 10,000 two-liter bottles of Pepsi are currently being demanded in your community each month, and the price increases from $1.90 to $2.10 per bottle, what will happen to quantity demanded? (elasticity of demand for Pepsi is 2.08).
b. By how much would the price of ground beef have to increase (in percentage terms) in order to reduce quantity demanded by 5 percent?