Respuesta :
					                   Is it multiple choice of something?
Oligopoly is when multiple people of corporations are working in the market.
					                
					             Oligopoly is when multiple people of corporations are working in the market.
					                   A new producer of a smart phone operating system is trying to enter the market but cannot because most cell phone makers use one of two popular operating systems.
					                
					                
					              
					                  