The total production cost of the film 'Extreme Job' was 8.5 billion won, according to industrial sources. Also, additional revenues from selling movie rights to IPTV operators after the release of the film are expected to be 1.2 billion won. These additional profits will be distributed only to investors (50%) and platform operators such as Cable TV and IPTV (50%). Note that these additional revenues are NOT distributed to the film studio (a producer firm). Considering all the aforementioned information, what is the break-even point of viewers for the investor of 'Extreme Job', Industrial Bank of Korea (hereafter, IBK)