A financial model about that it will be told in this manual is built on the example of small enterprise and plugs in itself processes from a purchase and mark-up of commodities to forming of budgets of cash and budget of profits and charges flow. This methodology does not require the presence of the special programs for a record-keeping and budgeting. The account of economic operations and forming of reports come true only in Excel. If account on enterprise conducted in the separate program, in this manual you will find recommendations that will help to transform data of account for the reports of any format.