| 0.01 SKY cost | 0.000032 TRACTOR |
| 0.1 SKY cost | 0.000320 TRACTOR |
| 0.2 SKY cost | 0.000640 TRACTOR |
| 1 SKY cost | 0.003198 TRACTOR |
| 5 SKY cost | 0.015992 TRACTOR |
| 10 SKY cost | 0.031985 TRACTOR |
| 50 SKY cost | 0.159924 TRACTOR |
| 100 SKY cost | 0.319849 TRACTOR |
| 1000 SKY cost | 3.198490 TRACTOR |
| 10000 SKY cost | 31.984897 TRACTOR |
| 100000 SKY cost | 319.848972 TRACTOR |