2. an investment fund has a balance of 100 at the beginning of the year and of 145 at the end of the 1/3. the balance just prior to this year. a 30 contribution to the fund is made at time t = 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.