While marvelous improvements have been made in the last decade, the next one promises equally well, especially in the adding-machine line.

REVIEW QUESTIONS.
PRACTICAL TEST QUESTIONS.

In the foregoing sections of this Cyclopedia numerous illustrative examples are worked out in detail in order to show the application of the various methods and principles. Accompanying these are examples for practice which will aid the reader in fixing the principles in mind.

In the following pages are given a large number of test questions and problems which afford a valuable means of testing the reader's knowledge of the subjects treated. They will be found excellent practice for those preparing for Civil Service Examinations. In some cases numerical answers are given as a further aid in this work.

REVIEW QUESTIONS
ON THE SUBJECT OF
COMMISSION AND STORAGE

1. What advantages are derived from a division of the ledger? Name the three most common subdivisions of the ledger.

2. What accounts are kept in the purchase ledger; in the sales ledger; in the general ledger? Under what circumstances should accounts with an individual be kept in both purchase and sales ledgers?

3. What is a controlling account? What do the balances of sales and purchase controlling accounts represent? From what sources are the debits and credits to these accounts derived?

4. When loose-leaf order blanks are used, what is the customary routine followed in filling and charging orders?

5. For what purposes are special distribution columns in a sales book used?