For the Flax:
1. Drone 100.000 Credits
2. Drone 200.000 Credits
3. Drone 400.000 Credits
4. Drone 800.000 Credits
5. Drone 1.600.000 Credits
6. Drone 3.200.000 Credits
7. Drone 6.400.000 Credits
8. Drone 12.800.000 Credits
Amount needed to purchase all 8 credit drones: 24.001.500 Credits
For the Iris:
1. Drone 15.000 Uridium
2. Drone 24.000 Uridium
3. Drone 42.000 Uridium
4. Drone 60.000 Uridium
5. Drone 84.000 Uridium
6. Drone 96.000 Uridium
7. Drone 126.000 Uridium
8. Drone 200.000 Uridium
Amount needed to purchase all 8 uridium drones: 647.000 Uridium