$3.$ Imagine a particular security$$s default risk premium is $2$ percent. For all securities$,$ the inflation risk premium is $1\mathrm{.}75$ percent and the real risk$-$free rate is $3\mathrm{.}50$ percent. The security$$s liquidity risk premium is $0\mathrm{.}25$ percent and maturity risk premium is $0\mathrm{.}85$ percent. The security has no special covenants. Calculate the security$$s equilibrium rate of return. Show your work