Information on four investment proposals is given below:

$\backslash$table$[[,,$Inv,t Proposal,$],[\backslash$table$[[$Investment required$],[$Present value of cash inflows$],[$Net present value$],[$Life of the project$]],$& $($z$0$a Aaas,$\backslash$table$[[$B$]],<mtext\; id="EditorElement\_2575483"></mtext><mi\; id="EditorElement\_2575484">(</mi><mn\; id="EditorElement\_2575485">1</mn><mn\; id="EditorElement\_2575486">2</mn>$a a a$,$$$(1,820,000)$