What is the risk premium for Dolphin Doors stock if its expected real return is $7\mathrm{.}45\%,$ the expected inflation rate is $3\mathrm{.}98\%,$ and the risk$-$free return is $4\mathrm{.}18\%?$

$5\mathrm{.}4790($plus or minus $0\mathrm{.}02$ percentage points$)$

$8\mathrm{.}59\%($plus or minus $0\mathrm{.}02$ percentage points$)$

$7\mathrm{.}55\%($plus or minus $0\mathrm{.}02$ percentage points$)$

$6\mathrm{.}51\%($plus or minus $0\mathrm{.}02$ percentage points$)$

None of the other alternatives are within $0\mathrm{.}02$ percentage points of the correct answer