C499 Money 4 the Primitive Man Was Stunned When He Heard That

The Primitive was startled when it heard this. It took out a copper coin from the small bamboo basin in Wu Ya's hand. It looked left and right, but no one could tell what it was. Wu Ya continued. "However, when we pay the grain tax, we can't use this coin."

Wu Ya was doing this for the Tribe to have enough food for the public. Furthermore