The ucsb actuarial association has a balance of $75 at january 1 and $60 at december 31. at the end of each month the association deposits $10 from member dues. to pay for its lavish pizza parties, the association withdraws $5 on february 28, $25 on june 30, $80 on october 15 and $35 on october 31. calculate the dollar-weighted rate of return for the year