I'm running a cafe in Melbounre. The cafe was selling take away sandwich and coffee. We don't cook in the store as we organize the sandwich from another store. The only way we use gas is the hot water. Normally, we receive the gas bill every two month, which were about $200. As the shop lease finished, we have to disconnect the service. Then, we received a final bill, which was $4680.67, very very shocked. I tried to call to question this final bill, the answer we received was this is the actua ...