Suppose you buy a $10$ year$$zero$-$coupon annual bond with$$yield$-$to$-$maturity of$4\%$ and a face value of$$$$100.$ If you hold the bond for $4$ years and then decide to sell it to someone$$else$,$ which of the following accurately describes the price you would sell the bond$$for$?$ a$)100/(1\mathrm{.}04)^1/10$ b$)100/(1\mathrm{.}04)^4$ c$)100/(1\mathrm{.}04)^6$ d$)100/(1\mathrm{.}04)^10$