{
  "broadcastRulerPosition": true,
  "broadcastRulerPositionAfter": 600,
  "broadcastRulerPositionAfterPercentage": 10,
  "heliItemCost": 13994,
  "heliItemCostQty": 500,
  "maxHelis": 2,
  "showWelcomeMsg": true,
  "taxMax": 30,
  "taxMin": 0,
  "Version": "0.0.1"
}

Tax is set to 30%

I have noticed this myself as well just now. I will investigate the matter. It does seem like the last oxide/rust update partially broke the Hook.

Thanks for all the updates btw :)

fixed in v0.7.0