PLEASE HELP!!!

Required information [The following information applies to the questions displayed below.] A company is considering investing in a new machine that requires a cash payment of $51,939 today. The machine will generate annual cash flows of $20,885 for the next three years. What is the internal rate of return if the company buys this machine? (PV of $1, FV of $1, PVA of $1, and (Use appropriate factor(s) from the tables provided.) TABLE B. 1* Present Value of 1 p=1/(1+i)n TABLE B. 2+ f=(1+i)n the factors of n=20 and i=2% (20 quarterly periods and a quarterly interest rate of 2%), the factor is 1.4859 . The accumulated value is $4,457.70 ( $3,0001.4859). p=[1(1+i)n1]/i TABLE B. 3t Present Value of an Annuity of 1 Used to calculate the present value of a series of equal payments made at the end of each period. For example: What is the present value of $2,000 per year for 10 years assuming an annual interest rate of 9% For (n=10,i=9% ), the PV factor is 6.4177.$2,000 per year for 10 years is the equivalent of $12,835 today ( $2,0006.4177 ). f=[(1+i)n1]/i TABLE B. 4B Fiture Value of an Annuity of 1 annual interest rate of 8% For (n=6,i=8%), the FV factor is 7.3359.$4,000 per year for 6 years accumulates to $29,343.60($4,0007.3359)