1. Consider an industry that has nine firms with the following market shares: 30 20 15 10 10 5 4 3 3 a. Calculate the four-firm concentration ratio for this industry. According to the calculated concentration ratio, what type of market is this? b. Calculate the Herfindahl-Hirschman Index for this industry. According to the calculated Herfindahl-Hirschman Index, what type of market is this? c. The second largest firm decides to acquire one of the smallest firms to better compete with the largest firm. How will the Department of Justice and the Federal Trade Commission react to the proposed deal