Marie bought a five$-$year $5$ percent annual coupon bond for $925$ a year ago. Today, she sold the bond at the market yield of $6$ percent. What is Marie's approximate real rate of return if the inflation rate over the past year was $2\mathrm{.}5$ percent? a$)7\mathrm{.}27\%,$ b$)6\mathrm{.}45\%,$ c$)6\mathrm{.}12\%,$ d$)5\mathrm{.}76\%$