| 0.01 21 cost | 0.000339 BTS |
| 0.1 21 cost | 0.003391 BTS |
| 0.2 21 cost | 0.006783 BTS |
| 1 21 cost | 0.033914 BTS |
| 5 21 cost | 0.169570 BTS |
| 10 21 cost | 0.339139 BTS |
| 50 21 cost | 1.695696 BTS |
| 100 21 cost | 3.391392 BTS |
| 1000 21 cost | 33.913925 BTS |
| 10000 21 cost | 339.139250 BTS |
| 100000 21 cost | 3,391.392498 BTS |