CAIRO - Egypt's central bank said it sold 5 billion Egyptian pounds (838 million) in domestic treasury bills on Sunday, the same amount it was seeking (CBEY). The bank sold 1.5 billion pounds of 91-day T-bills at an average yield of 11.079 per cent, down from 11.103 per cent at last week's auction. The bank also sold 3.5 billion pounds of 266-day T-bills at an average yield of 12.228 per cent, up from 12.196 per cent at the last issue on March 29.