The tariff is the surcharge added to every SCF of gas flowing to cover maintenance and up keep of the pipeline system. For the 2012 project to deliver compressed gas, the tariff was around $3.50/MSCF and natural gas was selling at less than that amount, current spot spice is around $2.60. And this tariff does not include the facilities required to liquefy, store, and load the shipment vessels or the cost of gas consumed to provide the energy for the process.