1) Examine the market structure(s). Does it stay consistent or not? 2) In a.) above, for any firm a "good idea" must do what? Show this. Don't just go with general comments. You might be better off answering b. first. QUANTIFY HERE. You can do it with the information! 3) For b. - don't just estimate elasticity for 1995 (think: over time!!). How does estimating the elasticity of demand help you to answer a. & C