4. PRICE AND PAYMENT
1) Unless otherwise expressly stated in the Contract, all prices for the Goods are firm and are not subject to price escalation for any reason whatsoever and include any applicable sales, use or similar taxes levied in the country of manufacturing and/or shipping, export charges, fees, and all other expenses.
2) Payment will be made in accordance with the applicable provisions of the Contract; however, the Buyer may at any time by a written notice deduct, or set-off any payment to the Seller by an amount of equal value to any claim that the Buyer may have for any reason against the Seller.