An association had a fund balance of $750 on January 1 and $600 on December 31. At the end of every month during the year, the association deposited $100 from membership fees. There were withdrawals of $50 on February 28, $250 on June 30, $800 on October 15, and $350 on October 31. Calculate the dollar-weighted rate of return. Note: Be patient with your calculator. DWRR =