six o'clock
`` No , '' said George ; `` the accounts seem right ; but I can not make them agree with the cash-book . There is still a hundred pounds short ; but I will go through them again if you like . '' `` Perhaps you had better . I expect Mr. Smith here by six o'clock ; will you remain with me and see him ? He may assist us . '' `` Certainly , '' said George ; `` I feel as anxious as you do about the matter , for all the bills and cheques have passed through my hands as well as yours ; and I shall not rest easy until the missing amount is discovered . '' Mr. Smith arrived just as the clerks were leaving the office , and Mr. Sanders and George were alone with him .