various Sysop Your Prestel bill: Please note: The charges shown do not cover 1.any premium service to which you may subscribe. 2.your usage on any other computer Listed below are charges for DRYDEN COMPUTER CURRENT CALL : frame charge :50 (U.K. Rates) time charge : CURRENT QUARTER - PRESTEL FRAME & (U.K. Rates) TIME CHARGES ONLY from 19/06/87 frame charge : till this call time charge 1:56 KEY # for bill information guide