Compute the IRR on the following cash flow streams: a. An initial investment of $25,287 followed by a single cash flow of $42,690 in year 6. (Round answer to 2 decimal places, e.g. 5.25%.) IRR 9.12 % b. An initial investment of $1,150,937 followed by a single cash flow of $1,742,800 in year 4. (Round answer to 2 decimal places, e.g. 5.25%.) IRR 10.92 % c. An initial investment of $2,171,947 followed by cash flows of $2,039,100 and $1,188,800 in years 2 and 4, respectively. (Round answer to 2 decimal places, e.g. 5.25%.) IRR %