Comprised of six firms of varying sizes. firm 1 has 35 percent of the market, firm 2 has 25 percent, and the remaining firms have 10 percent each. what is the herfindahl-hirschman index for the widget industry? based on the u. s. department of justice merger guidelines, do you think the justice department would be likely to block a merger between firms 5 and 6? why, or why not?

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.