ten o'clock
`` Of course I 'll have to go , '' said Frank to Richard . `` I 'll stop at the store on my way down and let the firm know , and also help you enough to get along while I am gone . '' This Frank did . He readily obtained permission from Mr. Williams to be absent , and at ten o'clock Richard found himself in sole charge of the stockroom . There were a number of important orders to fill , and the boy worked like a beaver to get them done in time . `` I 'm so glad for the chance to do something for Frank ; he has been so kind , '' said Richard to himself . `` Besides , some day I may wish him to do me a like favor . ''