Friendly$$s Quick Loans, Incorporated, offers you $$6\mathrm{.}00$ today but you must repay $$8\mathrm{.}15$ when you get your paycheck in one week $($or else$).$

What is the effective annual return Friendly$$s earns on this lending business?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

If you were brave enough to ask, what APR would Friendly$$s say you were paying?