I can count!!! The bottom line of your bill states clearly Total new Charges - $296.39 GST by law is charged for the services that you deliver so GST of 10% for these services applies And by the way I get a credit for the energy that I sell to you!! The fact that I reduce the cost of your services by selling my energy too you does not give you the right to charge me for the total amount of energy that I use since some of it is sold to you GST free. so no GST should be payable on this amount. Now ...