Your division is considering two investment projects, each of which requires an up$-$front expenditure of $$24$ million. You estimate that the cost of capital is $11\%$ and that the investments will produce the following after$-$tax cash flows $($in millions of dollars$)$:

Year Project A Project B

$1520$

$21010$

$3158$

$4206$

If the two projects are mutually exclusive and the cost of capital is $15\%,$ which project should the firm undertake?

The firm should undertake which project$/$projects $.$