2) You work for the FTC and are studying the market for coffee shops in San Luis Obispo. You gather sales data on each of the 8 coffee shops in SLO. The following table provides the per-day sales of coffee at each of the 8 shops: Store A B C D E F G H Total Sales 260 200 175 175 100 80 50 30 a) What is the 4-firm concentration ratio for the coffee shop market in San Luis Obispo? b) Calculate the Herfindahl-Hirschman index (HHI) for the coffee shop market in San Luis Obispo