Which of the following equations can be used to find the internal rate of return (i) for a project that has the following cash flow?

The correct answer is A, but i'm not sure how that answer was derived

1.18) Which of the following equations can be used to find the internal rate of return for a project that has the following cash flow? 40014001 4004001 -4000 1000 850 700 550 a. b. c. d. -4000+ 1000(P/A,i%,8)-150(P/G,i%,8)+ 150(P/G,i%,4)(P/F,i%,4)=0 -4000 +400(P/A,i%,8) + 600(P/A,i%,5)-150(P/G,i%,4,-0 -4000 + 150(P/G,i%,4) + 850(P/A,i96,4) + 400(P/A,i%,4)(P/F,i96,4) = 0 None of the above