Check my work Problem 07-02 (algo) An industry consists of three firms with sales of $205,000, $745,000, and $305,000 a. Calculate the Herfindahl-Hirschman index (HH Instruction: Enter your response rounded to the nearest integer 10 points eBook Print References b. Calculate the four-firm concentration ratio (CA c. Based on the FTC and DOJ Horizontal Merger Guidelines described in the text, is the Department of Justice likely to attempt to block a horizontal merger between two firms with sales of $205,000 and $305,000? OYes O No