"Hold on, call No. 981 again!"
"Well, I must hand it to you, Ape," said the ledger-keeper sarcastically. "You certainly have a remarkable pair of eyes. You travel several miles behind, like an echo or something, but you always get there. Why don't you save your memory all that extra work?"
The good-natured junior laughed.
"Don't be cross, Gordon," he teased. "To tell the truth I was thinking of Hilda Munn."
Filter looked exasperated.
"How in —— do you ever expect me to find that difference if you travel blindfolded? I'll bet a dollar we've passed over it."
Nelson came in the office.
"How much are you out?" he asked.
"Ten cents," said Filter; "this book—"
"Wait," interrupted Evan, "do you remember that deposit slip we changed after the calling about two weeks ago? Was it fixed in the ledger?"