Intemal Rate of Return Method The internal rate of return method is used by Testerman Construction Connaga tal de proposal that involves anvestment flows of 59.000 for each of the four years of its useful Present Value of an Annuity of Stat Compound Interest Year 10% 129 15 204 1 0.00 0.900 0670 0.33 2 1.33 1.736 1.600 1,620 152 2.673 2.482 2.402 2.28 2106 4 3.465 3170 3.032 2.055 2.589 4.212 3.701 3.605 3:35 4.917 3:30 5.582 4.566 4.561 4.160 1.605 6.210 35 4.000 3 6.802 5:32 4.77 4.93 10 7.360 6.145 5.650 5.019 410 a. Determine a present value factor for an any of 51 which can be used in determing the teatrite fecum. If require round your answer to three decimal places b. Using the factor determined in part() and the present of an any of the above determine the internal rate frem for the post