The real rate of return in Sudan was expected to be $4\%$ and inflation there was $71\mathrm{.}63\%$ in

$2024.$ What was the nominal rate of return in that nation?

a$.91\mathrm{.}10\%$

b$.89\mathrm{.}70\%$

c$.78\mathrm{.}50\%$

d$.75\mathrm{.}63\%$