An investor receives returns of amounts $2,$9 and $5 at times t=2,t=4 and t=5 respectively, in return for payments of $6, and $4 at times t=0 and t=3. Select the correct sequence of net cash flows and sequence of cumulative total cash flows. (6,2,4,9,5),(6,4,8,1,6)(6,2,4,9,5),(6,4,8,1,6)(6,2,4,9,5),(6,8,12,3,2)