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 | 65 793 | 6 579 300 000 |
 Gold | 50 000 | 62 404 | 3 120 200 000 |
 Batteries | 80 000 | 204 745 | 16 379 600 000 |
| 36 079 100 000 | |||