If the four-firm concentration ratio for industry X is 60, Multiple Choice the four largest firms account for 60 percent of total sales. each of the four largest firms accounts for 15 percent of total sales. the four largest firms account for 60 percent of total advertising expenditures. the industry is monopolistically competitive, but on the threshold of being an oligopoly.

Roberto and reagan are both 25 percent owner/managers for bright light inc. roberto runs the retail store in sacramento, ca, and reagan runs the retail store in san francisco, ca. bright light inc. generated a $125,000 profit companywide made up of a $75,000 profit from the sacramento store, a ($25,000) loss from the san francisco store, and a combined $75,000 profit from the remaining stores. if bright light inc. is an s corporation, how much income will be allocated to roberto?