All transactions involving labor or money should be recorded in
black and white.

Don't trust to your memory.

Don't rely on the memory of another.

AN ACCOUNT WITH CROPS

Every farmer should keep an account with each crop he raises and
even with every field he cultivates.

Against the farm should be charged--

1. Its annual rental value.
2. What all the labor would cost if hired.
3. New machinery.
4. Wear, tear and repair of old machinery.
5. Taxes.
6. Insurance.
7. Doctor's bills.
8. Interest on mortgage if any.
9. The cost of fodder, fuel, etc., consumed.

The farm should be credited with--

1. The rent.
2. The cost of everything produced and consumed on place.
3. The farm products sold.