An industry consists of six firms with sales of $500 million, $1 billion, $2 billion, $3 billion, $4 billion and $5 billion a) Calculate the Herfindahl-Hirschman index (HH). b) Calculate the four-firm concentration ratio (C4). c) Based on the US Department of Justice's Merger Guidelines described in the text, do you think the Department of Justice would block a horizontal merger between the two firms with sales of $500 million and $1 billion? Explain, and support your explanation with calculations. Clearly label each answer and show all calculations that you do, or you will receive no credit for your answers.) BI An industry consists of six firms with sales of $500 million, $1 billion, $2 billion, $3 billion, $4 billion and $5 billion a) Calculate the Herfindahl-Hirschman index (HH). b) Calculate the four-firm concentration ratio (C4). c) Based on the US Department of Justice's Merger Guidelines described in the text, do you think the Department of Justice would block a horizontal merger between the two firms with sales of $500 million and $1 billion? Explain, and support your explanation with calculations. Clearly label each answer and show all calculations that you do, or you will receive no credit for your answers.) BI