Seismology centre
| Upgrade costs L0 -> L1 | |||
|---|---|---|---|
| Product | Quantity | Market price | Total costs |
 Coins | 10 000 000 000 | 1 | 10 000 000 000 |
 Electronics | 100 000 | 65 315 | 6 531 500 000 |
 Gold | 50 000 | 64 768 | 3 238 410 000 |
 Batteries | 80 000 | 207 521 | 16 601 680 000 |
| 36 371 590 000 | |||