Interest rate $($with changing years$).$ Keiko is looking at the following investment choices and wants to know what annual rate of return each choice produces.

a$.$ Invest $$420\mathrm{.}00$ and receive $$876\mathrm{.}15$ in $8$ years.

b$.$ Invest $$3,400\mathrm{.}00$ and receive $$12,965\mathrm{.}24$ in $14$ years.

c$.$ Invest $$32,601\mathrm{.}99$ and receive $$110,000\mathrm{.}00$ in $26$ years.

d$.$ Invest $$33,756\mathrm{.}39$ and receive $$1,400,000\mathrm{.}00$ in $30$ years.

a$.$ What annual rate of return will Keiko earn if she invests $$420\mathrm{.}00$ today and receives $$876\mathrm{.}15$ in $8$ years?

$\%($Round to two decimal places.$)$

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$2024$ On $($ampus$)$ is based on Brooks: Financial Management: Core Concepts, $4e$

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