For the past 13 years, Ms. Perrault has contributed $2000 at the beginning of every six months to a mutual fund. If the mutual fund statement at the end of the 13 years reports that her fund units are worth a total of $91,477, what has been the semiannually compounded nominal rate and the effective rate of return on her investments over the 13 years? (Do not round intermediate calculations and round your final answers to 2 decimal places).