How would you manually solve for IRR? I know that the answer is 1.07, but I don't know how to calculate it without excel.

slio 0 Table 1. The table shows the holding period returns (IPR) and cash flows of a mutual fund. (CFA Problems) Period 1 2 Asset at start of period 2.5 3.2 2.0 Holding period return 12% -10% Total asset before net inflows 2.8 2.88 Net flows 0.4 -0.88 Asset at end of period 3.2 2.0 31. Refer to Table 1, the arithmetic return is A. 2.33% B. 2.57% C. 1.73% D. 1.90% 32. Refer to Table 1, the geometric return is A. 2.33% B. 2.57% C. 1.73% D. 1.90% 33. Refer to Table 1, the dollar value weighted return is A. 0.97% B. 1.07% C. 1.43% D. 1.84%