please do it quickly, i do rates

Question 3 (1 point) Find the value of X that makes the following cash flows economically equivalent at 8%: Cash Flow #1: $100 at t=1, $200 at t=2, $300 at t=3, increasing by $100 per year up to and including $1000 at t=10 Cash Flow #2: $X from t=2 up to and including t=5, nothing at t=6, and then $X again from t=7 up to and including t=10 The solution is within $15 of which of the following? 574 604 634 664 None of the above