An investment had a nominal return of $11\mathrm{.}2$ percent last yearThe inflation rate was $3\mathrm{.}4$ percent the real return on the investment? $11\mathrm{.}00\%$ O$7\mathrm{.}01\%14\mathrm{.}98\%8\mathrm{.}38\%7\mathrm{.}54\%$