An investment manager had a fund of 100,000 at the start of the year 2017. On April 1st that fund had risen to 112,000 and a new deposit of 30,000 was made. On October 1st the fund balance was 125,000 and a withdrawal of 42,000 was made. At year end the account balance was 100,000. The annual dollar weighted return of the fund is closest to: Select one: O a 10.7% O b. 14.4% Oc. 18.8% Od 12.7%