5. Seller and Buyer agree that all amounts payable in USD under this agreement shall be transferred to the Seller’s account in the local currency Thai Baht (THB). The exchange rate applied between USD and THB shall be the official weighted average interbank exchange rate quoted by the Bank of Thailand on the day the transfer is made. To each converted payment amount under this agreement, the Buyer has to add the prevailing Thai Value Added Tax (VAT) rates at all times.