In consideration for the supply of Treated Water by the Company, the Agency will pay the Company a tariff, expressed in PHP per cubic meter, for each Billing Month which shall be computed by applying the formulas and procedures described in this Section 8 and in Schedule L (the "Tariff"). The Tariff, as computed, shall include the value-added tax that the Company may be required to pay in relation to the sale of Treated Water to the Agency.