BANK MegaBank City Bank Nationwide Bank Atlantic Bank Bulk Bank Metro Bank American Bank Hometown Bank Urban Bank SALES ($M) $900 850 735 555 345 340...

Nationwide Bank has approached Hometown Bank with a proposal to merge. The following table lists the sales of the banks in the area. Use this informaton to calculate the four-firm concentration ratio and the Herfindahl-Hirschman index. Based on the FTC and JOJ Horizontal Merger Guidelines, do you think the Justice Department is likely to challenge the proposed merger?