Question 4 MTh: ch of the following is not an enmple of a barrier to entry that helps a firm maintain its n-mwpoly power? o o O o o A firm owning multiple businesses in an area allcw,'ing them to streamline production and reduce costs Owning land that has a large amount ofthe world's supply of iron ore A law requiring hairdressers to have a license to blow dry hair. Supermarkets negotiating Icnver prices with distributors than smaller grocery stores can get. An increase in the minimum wage making it costlier to hire employees