If RRSP contributions of $$4130\mathrm{.}02$ at the end of every six months are projected to generate a plan worth $$611,000$ in $25$ years, what nominal rate compounded semi$-$annually and effective rates of return were assumed in the forecast? $($Do not round intermediate calculations and round your final answers to $2$ decimal places.$)$

Nominal rate of return

$\%$

Effective rate of return

$\%$