Given the following attributes of an investment project with a 5-year life and an after-tax discount rate of 8%, calculate both the IRR and MIRR of the project: investment outlay, time 0, $3,100; after-tax cash inflows, year 1, $930; year 2, $620; year 3, $930; year 4, $620; and year 5, $1,550. Use the appropriate built-in functions in Excel (IRR and MIRR) to estimate both the IRR and the MIRR of the proposed investment. (Round "IRR" and "MIRR" to 2 decimal places. (i.e. 0.1234 = 12.34%).) IRR MIRR