Paul Prescott's Charge by Horatio Alger, Jr.

One evening, about a fortnight after his entrance into Smith & Thompson's employment, Paul was putting up the shutters, the business of the day being over. It devolved upon him to open and close the store, and usually he was the last one to go home.

This evening, however, Mr. Nicholas Benton graciously remained behind and assisted Paul in closing the store. This was unusual, and surprised Paul a little. It was soon explained, however.