Tuesday 11 October 2011

The Best Way to Put Together a Cash Flow Model

By Randy Germain


There can be several intricacies to developing a cash flow model which specialists encounter when they use their methods to guesstimate the NPV of an asset. There can be the visible issues such as whether the tool permits the accurate data to be typed in, and precisely how the layout and model variables operate together. There are also the more hidden problems such as formula approaches and whether you use a step function or continual rate function for computing present values. This post considers a few of the key things to contemplate in the process.

Supposing the layout of your Excel cash flow model is easy to use, consider how the opening cash balance is represented. The valuation of a venture is fundamentally the existing cash or cash valued amount plus all upcoming cash flows with the long term marked down by some estimate of loss potential or variability. The present cash balance is not marked down but it can have a very large effect on the attractiveness of the venture. Since most ventures comprise some cash assets and a variety of non-cash assets like structures, property, machinery, teams of employees, websites, etc. these other assets should have a present valuation that is accurate. But, the market value a lot of them may just be a net present value of that asset's future cash flows as well. This is especially true of unique investments or assets that don't have a clear marketplace such as fitted pipelines or mechanical engineering designs. Hence you might need to incorporate the effects of other calculation models as your starting balance.

Look at the earning or money in component of the cash flow model. This is where you define and estimate the predicted cash flows from the venture from the start. For instance, what are the cycles you need? Is it month to month for two years or quarterly for several years, or some other summary by time period? You can even combine, with the intial time being shorter durations and subsequent decades being lengthier portions, but this could get challenging with the NPV calculations. Obviously, you should have lines for one or more sources of incoming cashflow. You should think about whether these inbound cash sources have varied levels of risk. If they do, then you should decrease each cash flow stream individually at various rates, essentially a separate cash flow model per income source, or you can sum and discount at a factored or "typical" level.

About the expenditure side of your spreadsheet, the same concerns apply as with the sales side. You must have specific rows or categories of rows for each element, which ought to be separated by time and money. Business investments normally have a lot more expense points than revenue items, and quite a few expenses are related to revenue generation, such as cost of goods sold, advertising, short term financing of inventory sold, advertising materials, and product collateral. Other costs are regarded as necessary for operating the company as a going concern and overhead. These include utilities, mortgage payments, management wages, banking accounts, and many others. Funding expenses can be fixed or variable, and typically include interest paid on borrowed credit, fees and bank charges. These must be appropriately put into groups such as COGS, operations, and cost of financing the business in the cash flow model.

How wear and tear and amortizing goodwill are handled could be a large element of the value estimate the Excel model generates. The majority of investors look at net earnings prior to taxes and depreciation and amortization offsets, which requires some inventiveness to figure out if you're beginning from a listed firm's income statements and balance sheet. The main reason the approach functions is that it values the real cash flows of the business. Depreciation and amortization are taxation or property value concepts, rather than cash flow to investor principles. By focusing on only actual cash of the organization for such things as customer charges, systems purchases, and funding resources, the investor is able to see how much concrete cash is created, then evaluate that cash flow in a clean manner. Again, it's a real world idea from the mindset of truly managing a company, not an accounting perspective. Investors don't usually worry about accounting. They are concerned about income and cash in their wallets.

The way in which taxes are handled in the cash flow model is crucial. Do you plan to reinvest the money or extract cash from the investment if positive? Traditional NPV computation presumes that any beneficial value will be spent as a reinvestment and will not be taxed. But this is not true in the real world. Many opportunities do not permit you to reinvest the surplus cash produced. In other cases the investor may choose to take out the earnings, which results in a taxable income stream. This is the situation with dividends and bond payments, for example. In these otherd circumstances you need to discount the taxable income and you'll have the ability to subtract depreciation and other tax-free benefits to the earnings stream before working out the after-tax income. This is usually confusing and deviates greatly according to the recipient's tax regime.

The majority of financial opportunities can be evaluated using the net present value approach and a simple and easy number of formulas. Working with these exceptional issues in your cash flow model ensures your end outcomes much more accurate.




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