You purchased a one$-$year zero$-$coupon bond for $$930$ and kept it to maturity. The face value of the bond was $$1,000.$ What was the rate of return on your investment?a$\mathrm{.}6\mathrm{.}38\%$b$\mathrm{.}7\mathrm{.}53\%$c$\mathrm{.}5\mathrm{.}26\%$d$\mathrm{.}8\mathrm{.}70\%$e$\mathrm{.}7\mathrm{.}00\%$