What is the nominal annual rate of interest compounded quarterly at which $$1422\mathrm{.}00$will accumulate to $$1462\mathrm{.}39$ in eight years and nine months $?$ What is the nominal annual rate of interest compounded quarterly at which $\backslash (\backslash$$ $1422\mathrm{.}00\backslash )$ will accumulate to $\backslash (\backslash 1462\mathrm{.}39\backslash )$ in eight years and nine months? The nominal annual rate of interest is $\backslash (\backslash \%\backslash ).($Round the final answer to four decimal places as needed. Round all intermediate values to six decimal places as needed.$)$