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 | 67 681 | 6 768 090 000 |
 Gold | 50 000 | 62 317 | 3 115 850 000 |
 Batteries | 80 000 | 207 544 | 16 603 520 000 |
| 36 487 460 000 | |||