Domestic physical album sales:
50,000-100,000 copies= 2%
100,000-200,000 copies= 3%
+200,000 copies= 5%
Digital album/mp3 sales profit: 10%
SM Entertainment gives an incentive of 50 million KRW when they reach over 500,000 albums sold, and 100 million when over 1 million albums are sold...