A fund receives contributions and pays benefits from time to time. The fund began the year 2020 with a balance of $1099082. There were contributions to the fund of $376893 and $372787 at the end of 4 and 6 months, respectively. There was a benefit of $745992 paid out of the fund at the end of 8 months. The balance remaining in the fund at the start of the year 2021 was $1324180. Find the dollar-weighted return on the fund.