$1.$The market risk premium for next period is $6\mathrm{.}72\%$ and the risk$-$free rate is $1\mathrm{.}76\%.$ Stock Z has a beta of $1\mathrm{.}2$ and an expected return of $11\mathrm{.}73\%.$ What is the market's reward$-$to$-$risk ratio? $2.$The market risk premium for next period is $4\mathrm{.}62\%$ and the risk$-$free rate is $2\mathrm{.}69\%.$ Stock Z has a beta of $0\mathrm{.}67$ and an expected return of $11\mathrm{.}49\%.$ What is Stock Z$\text{'}$s reward$-$to$-$risk ratio?