In finance, the terms LHS and RHS are shorthand for “Left-Hand Side” and “Right-Hand Side” of an accounting equation or a financial model. Understanding their meaning is crucial for interpreting financial statements and building accurate forecasts.
The Accounting Equation: A Fundamental Example
The most fundamental application of LHS and RHS is in the accounting equation: Assets = Liabilities + Equity. Here:
- LHS (Left-Hand Side): Represents the Assets of a business. Assets are resources owned by the company that have future economic value. Examples include cash, accounts receivable (money owed to the company), inventory, property, plant, and equipment (PP&E), and intangible assets like patents. The LHS shows what the company *owns*.
- RHS (Right-Hand Side): Represents the Liabilities and Equity of a business.
- Liabilities are obligations of the company to external parties. These are debts owed to creditors, suppliers, or other entities. Examples include accounts payable (money the company owes), salaries payable, loans, and bonds.
- Equity represents the owners’ stake in the company. It’s the residual value of assets after deducting liabilities. It includes common stock, retained earnings (accumulated profits not distributed as dividends), and other components.
The RHS shows how the company’s assets are *financed* – either through borrowing (liabilities) or through owners’ investments and accumulated profits (equity).
The accounting equation always needs to balance. Any increase in assets must be matched by an equal increase on the liabilities and/or equity side, and vice versa. This ensures that every transaction is properly accounted for, reflecting both what a company gained and how it was financed.
LHS and RHS in Financial Modeling
Beyond the basic accounting equation, LHS and RHS concepts are widely used in financial modeling. Models often use equations to predict future financial performance. For example:
- Revenue Forecast: You might model revenue as LHS = Price (RHS) * Quantity (RHS). Here, the left-hand side (revenue) is determined by the factors on the right-hand side (price and quantity).
- Cost of Goods Sold (COGS): COGS (LHS) = Beginning Inventory (RHS) + Purchases (RHS) – Ending Inventory (RHS). This calculates the cost of the goods that were sold during a specific period.
- Debt Service Coverage Ratio (DSCR): A loan’s ability to be paid. DSCR (LHS) = Net Operating Income (RHS) / Debt Service (RHS). This ratio helps lenders assess a borrower’s ability to repay a loan.
In these models, the RHS contains the independent variables or drivers that influence the LHS (the dependent variable or outcome being modeled). Careful consideration of the factors on the RHS is crucial for building accurate and reliable financial projections.
Importance of Understanding LHS and RHS
Understanding LHS and RHS helps in:
- Financial Statement Analysis: Interpreting financial statements and identifying the relationships between different accounts.
- Model Building: Creating accurate and robust financial models for forecasting and valuation.
- Decision Making: Making informed financial decisions based on a clear understanding of how different factors impact financial outcomes.
In conclusion, while simple concepts, LHS and RHS are fundamental building blocks of financial understanding. Mastering their usage is essential for anyone working with financial data and building financial models.