\[Nominal{\text{ }}interest{\text{ }}rate = {\text{ R}}eal{\text{ }}risk - Free{\text{ }}rate{\text{ }} + {\text{ E}}xpected{\text{ }}inflation{\text{ }}rate\]
\[begin{array}{l} Required{\text{ }}interest{\text{ }}rate{\text{ }}on{\text{ }}security = {\text{ }}Nominal{\text{ }}risk - Free{\text{ }}rate{\text{ }}\ + {\text{ D}}efault{\text{ }}risk{\text{ }}premium + {\text{ L}}iquidity{\text{ }}premium{\text{ }}\ + {\text{ M}}aturity{\text{ }}risk{\text{ }}premium end{array}\]