Produce 101, which produced I.O.I, cost the company Mnet about four billion won to produce.
I.O.I (; also known as IOI or Ideal of Idol) was a South Korean girl group formed by CJ E&M through the 2016 reality show "Produce 101" on Mnet. 
 The show has the second-largest budget of all shows produced by Mnet at about four billion won (approximately $3.4 million). 
