Trade Station
Description: The Trade Station is the place where the player can buy or sell resources, spacecrafts and defenses. Each upgrade of the Trade Station reduces the percentage of the excess tax.
Research: Interstellar Trading

Building the Trade Station level 1, takes 2 minutes, 30 seconds and costs:

Level Resource Quantity
1 Iron: 875
1 Silicon: 175
1 Gold: 87.5
1 Copper: 175

Building the Trade Station level 2, takes 4 minutes and costs:

Level Resource Quantity
2 Iron: 1250
2 Silicon: 250
2 Gold: 125
2 Copper: 250

Building the Trade Station level 3, takes 5 minutes, 30 seconds and costs:

Level Resource Quantity
3 Iron: 1625
3 Silicon: 325
3 Gold: 162.5
3 Copper: 325

Building the Trade Station level 4, takes 7 minutes and costs:

Level Resource Quantity
4 Iron: 2000
4 Silicon: 400
4 Gold: 200
4 Copper: 400

Building the Trade Station level 5, takes 8 minutes, 30 seconds and costs:

Level Resource Quantity
5 Iron: 2375
5 Silicon: 475
5 Gold: 237.5
5 Copper: 475

Building the Trade Station level 6, takes 10 minutes and costs:

Level Resource Quantity
6 Iron: 2750
6 Silicon: 550
6 Gold: 275
6 Copper: 550

Building the Trade Station level 7, takes 11 minutes, 30 seconds and costs:

Level Resource Quantity
7 Iron: 3125
7 Silicon: 625
7 Gold: 312.5
7 Copper: 625

Building the Trade Station level 8, takes 13 minutes and costs:

Level Resource Quantity
8 Iron: 3500
8 Silicon: 700
8 Gold: 350
8 Copper: 700

Building the Trade Station level 9, takes 14 minutes, 30 seconds and costs:

Level Resource Quantity
9 Iron: 3875
9 Silicon: 775
9 Gold: 387.5
9 Copper: 775

Building the Trade Station level 10, takes 16 minutes and costs:

Level Resource Quantity
10 Iron: 4250
10 Silicon: 850
10 Gold: 425
10 Copper: 850