Marginal analysis and capital budgeting decisions. A company faces the following schedule of potential investment projects $($all assumed to be equal risk$).$

Use marginal analysis to decide which projects should NOT be undertaken?

$\backslash$table$[[$Project$,\backslash$table$[[$Investment$],[$Required $($$$],[$million$)]],\backslash$table$[[$Expected Rate of$],[$Return $(\%)]],\backslash$table$[[$Cumulative$],[$Investment$]]],[$A$,25,27,25],[$B$,15,24,40],[$C$,40,21,80],[$D$,35,18,115],[$E$,12,15,127],[$F$,20,14,147],[$G$,18,13,165],[$H$,13,11,178],[$I$,7,8,185]]$

The following is the cost of acquiring the funds needed to finance these investment projects.

$\backslash$table$[[$Block of funds $($$ million$),$Cost of Capital $(\%),$Cumulative Funds Raised$],[$First $50,10,50],[$Next $25,10\mathrm{.}5,75],[$Next $40,11,115],[$Next $50,12\mathrm{.}2,165],[$Next $20,14\mathrm{.}5,185]]$

F and G

$H$ and $I$

$F,G,H,$ and I

G$,H,$I