Remittance cost = exchange rate *( 1+ remittance fee rate), remittance cost = exchange rate *( 1- remittance fee rate). Exchange rate refers to the foreign exchange trading price provided by banks or foreign exchange trading platforms. Remittance commission rate refers to the commission rate to be paid when RMB is converted into foreign currency, and remittance commission rate refers to the commission rate to be paid when foreign currency is converted into RMB. For example, if the current exchange rate is 1 USD for 6.5 yuan RMB, the remittance fee rate is 0.2% and the remittance fee rate is 0.5%, then: remittance cost = 6.5 * (1+0.2%) = 6.512 RMB/USD, and remittance cost = 6.5 *.