refiner?

src/engine/server/world/WorldServer.java

@@ -146,7 +146,7 @@ public class WorldServer {
 		NPC npc = NPC.getFromCache(msg.getNpcID());
 
 		if (npc != null)
-			msg.setUnknown02(0); //cost to refine?
+			msg.setUnknown02(npc.sellPercent); //cost to refine?
 
 		Dispatch dispatch = Dispatch.borrow(origin.getPlayerCharacter(), msg);
 		DispatchMessage.dispatchMsgDispatch(dispatch, Enum.DispatchChannel.SECONDARY);