The following selling rates for foreign currencies against Saudi Riyal based on average exchange rates quoted by the London market in terms of dollars are announced by the Saudi Arabian Monetary Agency (SAMA) here today. Currency Saudi Riyals US dollar 3.7500 Sterling pound 6.1455 Swiss franc 3.4981 Japanese yen 0.0390 Canadian dollar 3.4275 Euro 5.2988 The agency said the rates of US dollar are SAMA selling prices for banks. 1/8th percent is being added by banks for the first million us dollar and 1/16th percent for sums over one million US dollar.