| 0.01 SKY cost | 0.000035 TRACTOR |
| 0.1 SKY cost | 0.000348 TRACTOR |
| 0.2 SKY cost | 0.000695 TRACTOR |
| 1 SKY cost | 0.003475 TRACTOR |
| 5 SKY cost | 0.017377 TRACTOR |
| 10 SKY cost | 0.034754 TRACTOR |
| 50 SKY cost | 0.173770 TRACTOR |
| 100 SKY cost | 0.347540 TRACTOR |
| 1000 SKY cost | 3.475403 TRACTOR |
| 10000 SKY cost | 34.754029 TRACTOR |
| 100000 SKY cost | 347.540288 TRACTOR |