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Avkastning på egenkapital , DuPont-modell
$$\begin{aligned} \mathrm{ROE} &= \frac{\text{Overskudd}}{\text{Nettoomsetning}} \times \frac{\text{Nettoomsetning}}{\text{Aktiver}} \times \frac{\text{Aktiver}}{\text{Egenkapital}} =\\ \\ &= \text{Fortjenestemargin} \times \text{Omløpshastighet for totale eiendeler} \times \text{Finansielle utnytte}\\ \\ \\ \mathrm{ROA} &= \frac{\text{Overskudd}}{\text{Nettoomsetning}} \times \frac{\text{Nettoomsetning}}{\text{Aktiver}} =\\ \\ &= \text{Fortjenestemargin} \times \text{Omløpshastighet for totale eiendeler} \end{aligned}$$
$$\begin{aligned} \mathrm{ROE} &=\frac{54}{202}\times\frac{202}{1288}\times\frac{1288}{624}\\ \\ &=0.27\times0.16\times2.06\\ \\ &=8.65\%\\ \\ \\ \mathrm{ROA} &=\frac{54}{202}\times\frac{202}{1288}\\ \\ &=0.27\times0.16\\ \\ &=4.19\%\end{aligned}$$