Answer it correctly please. I will rate accordingly with multiple votes. Explain your choice. Ty-ped answer only.

Competing airlines occasionally merge to create a larger airline. According to antitrust laws, all of the following help determine whether such mergers might be uncompetitive except how many employees the airline has. how big a market share the new airline has. how the merger might affect the concentration ratio. how the merger might affect the Herfindahl-Hirschman index