Note: Follow rounding instructions noted for each computation. Use a negative sign with your answers, when appropriate.

$\backslash$table$[[,$Proposal A$,$Proposal B$,$Proposal C$,,$osal$],[$Payback period $($years$)$; Round answers $2$ decimal places.,$2v,2\mathrm{.}5vv,\sqrt[\phantom{2}]{x},4,$hat$()$