| | | | 100 | 50 | | 50 20 | | 1 1 | | | | 100 50 | | | 1 1 | | 100 | 50 | | | | | 20 15 10 | | 10 | | 1 1 | | | | | | | | IPO | 200 | 50 | | 10 | | |