This article is intended for those of you who are at the beginning of your investing journey and want to learn about Return on Equity using a real-life example.

With an ROE of 22.1%, Suprajit Engineering Limited (NSE:SUPRAJIT) outpaced its own industry which delivered a less exciting 13.9% over the past year. On the surface, this looks fantastic since we know that SUPRAJIT has made large profits from little equity capital; however, ROE doesn’t tell us if management have borrowed heavily to make this happen. We’ll take a closer look today at factors like financial leverage to determine whether SUPRAJIT’s ROE is actually sustainable.

View our latest analysis for Suprajit Engineering

### What you must know about ROE

Firstly, Return on Equity, or ROE, is simply the percentage of last years’ earning against the book value of shareholders’ equity. For example, if the company invests ₹1 in the form of equity, it will generate ₹0.22 in earnings from this. In most cases, a higher ROE is preferred; however, there are many other factors we must consider prior to making any investment decisions.

Return on Equity = Net Profit ÷ Shareholders Equity

ROE is assessed against cost of equity, which is measured using the Capital Asset Pricing Model (CAPM) – but let’s not dive into the details of that today. For now, let’s just look at the cost of equity number for Suprajit Engineering, which is 13.5%. Given a positive discrepancy of 8.5% between return and cost, this indicates that Suprajit Engineering pays less for its capital than what it generates in return, which is a sign of capital efficiency. ROE can be dissected into three distinct ratios: net profit margin, asset turnover, and financial leverage. This is called the Dupont Formula:

#### Dupont Formula

ROE = profit margin × asset turnover × financial leverage

ROE = (annual net profit ÷ sales) × (sales ÷ assets) × (assets ÷ shareholders’ equity)

ROE = annual net profit ÷ shareholders’ equity

Basically, profit margin measures how much of revenue trickles down into earnings which illustrates how efficient the business is with its cost management. Asset turnover shows how much revenue Suprajit Engineering can generate with its current asset base. And finally, financial leverage is simply how much of assets are funded by equity, which exhibits how sustainable the company’s capital structure is. Since ROE can be artificially increased through excessive borrowing, we should check Suprajit Engineering’s historic debt-to-equity ratio. At 52.8%, Suprajit Engineering’s debt-to-equity ratio appears sensible and indicates the above-average ROE is generated from its capacity to increase profit without a large debt burden.

### Next Steps:

While ROE is a relatively simple calculation, it can be broken down into different ratios, each telling a different story about the strengths and weaknesses of a company. Suprajit Engineering’s above-industry ROE is encouraging, and is also in excess of its cost of equity. ROE is not likely to be inflated by excessive debt funding, giving shareholders more conviction in the sustainability of high returns. Although ROE can be a useful metric, it is only a small part of diligent research.

For Suprajit Engineering, I’ve compiled three essential aspects you should look at:

**Financial Health**: Does it have a healthy balance sheet? Take a look at our free balance sheet analysis with six simple checks on key factors like leverage and risk.**Valuation**: What is Suprajit Engineering worth today? Is the stock undervalued, even when its growth outlook is factored into its intrinsic value? The intrinsic value infographic in our free research report helps visualize whether Suprajit Engineering is currently mispriced by the market.**Other High-Growth Alternatives**: Are there other high-growth stocks you could be holding instead of Suprajit Engineering? Explore our interactive list of stocks with large growth potential to get an idea of what else is out there you may be missing!

*To help readers see past the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price-sensitive company announcements.*

*The author is an independent contributor and at the time of publication had no position in the stocks mentioned. For errors that warrant correction please contact the editor at editorial-team@simplywallst.com.*