On the most recent episode of the MBC entertainment program 'Infinite Challenge,' which aired on November 15, 2014, the members played the second round of the War of Money special. Each of the members were given a thousand dollars, and asked to open a business. The one with the most profit margins would win the round. Jung Joon Ha visited a friend who is a cook and consultant for people who are interested in opening a business, and got his ideas for food items there. Later, Jung Joon Ha and his friend who was hired for a part-time job sold snacks in front of office buildings for businessmen. In related news, on the most recent episode of the popular MBC entertainment program "Infinite Challenge," the members played the second round of War of Money Special, where they were each given a thousand dollars to open up a business for 24 hours. The popular MBC entertainment program "Infinite Challenge," which recently aired its 400^th episode, features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don, who play survival games every week on different topics.