Oil prices have periodically been high! Can you rig it so the prices are reduced?
| Production Method | Price | What's on Sale? | Number? | Final Price? |
|---|---|---|---|---|
| Copper Wire in Silver Nitrate | $52 | |||
| Lithium Ion Battery Discharging | $33 | |||
| Hydrogen Gas Preparation | $2 | |||
| Copper Sulfate Zinc | $34 | |||
| Thermite Combustion | $28 |