The current zero$-$coupon yield curve for risk$-$free bonds is as follows:

$\backslash$table$[[$Maturity $($years$),1,3,4,,],[$YTM$,4\mathrm{.}96\%,5\mathrm{.}46\%,5\mathrm{.}71\%,5\mathrm{.}98\%,6\mathrm{.}05\%$