5. (5 pts) Change the following geometric gradient series into a linear gradient series by determining the unknown CFs if,-5%/year. S1000 S?? $700 $490 $343 4 6. (3 pts) Given the following cash flow on the left, identify if any of the following equations are incorrect in describing the equivalent value in year four. 200 200 200 200 200 123456 0 23 4 56 (a) V4-V00(FA, , 3)(F/P, , 1) + $200(PA, i, 2)(P/F, i, 1) (b) V4-s200(F/A, i, 3) + $200(P/A, 1,2) (c) V4- S200(F/A, i, 4) $200$200(P/A, i, 2) (d) V4 [S200(PA, i, )-$200(P/F, i, 4)(F/P, i, 4) (e) V4-[$200(FA, i, 6)-$200(F/P, i, 2)](P/E, i, 2)