The following selling rates for foreign currencies 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 RIYAL US dollar 3.75 Sterling pound 7.42 Swiss franc 3.01 Japanese yen 0.0308 Canadian dollar 3.1747 Euro 4.8851 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.