Kollo Enterprises has a beta of $1\mathrm{.}40,$ the real risk$-$free rate is $2\mathrm{.}30\%,$ investors expect a $3\mathrm{.}00\%$ future inflation rate, and the market risk premium is $4\mathrm{.}70\%.$ What is Kollo's required rate of return? Do not round your intermediate calculations.

a$.14\mathrm{.}00\%$

b$.12\mathrm{.}12\%$

c$.11\mathrm{.}88\%$

d$.13\mathrm{.}08\%$

e$.9\mathrm{.}58\%$