| 0.01 SKY cost | 0.000038 TRACTOR |
| 0.1 SKY cost | 0.000380 TRACTOR |
| 0.2 SKY cost | 0.000761 TRACTOR |
| 1 SKY cost | 0.003803 TRACTOR |
| 5 SKY cost | 0.019017 TRACTOR |
| 10 SKY cost | 0.038035 TRACTOR |
| 50 SKY cost | 0.190175 TRACTOR |
| 100 SKY cost | 0.380350 TRACTOR |
| 1000 SKY cost | 3.803496 TRACTOR |
| 10000 SKY cost | 38.034963 TRACTOR |
| 100000 SKY cost | 380.349629 TRACTOR |