Harmon Corporation has four potential projects: $M,N,O,$ and P $.$ Projects O and P are mutually exclusive. The table provides the required investment and NPV for each project.

$\backslash$table$[[,\backslash$table$[[$Required$],[$Investment$],[($$ in million$)]],\backslash$table$[[$NPV$],[($$ in million$)]]],[$Project$,$$$8\mathrm{.}00,$$$4\mathrm{.}00$