An investment fund has a balance of 100 at the beginning of the year and of 145 at the end of the year. A 30 contribution to the fund is made at time t=1/3. The balance just prior to this contribution is 105. Let the annual dollar-weighted rate of return be D% and let the annual time-weighted rate of return be T%.

Find D+T. Give your answer as a percentage rounded to two decimal places.

Answer is not 12.78