The following are the main foreign exchange rates against Cambodian riel issued by the National Bank of Cambodia (NBC), or the central bank of the kingdom, here on Monday. Currency Unit Buying Selling U.S. dollar 1 3,995 3,995 Chinese yuan 1 658 665 euro 1 5,489 5,544 British pound 1 6,512 6,577 HK dollar 1 515 520 Japanese yen 100 3,871 3,910