Hello, i need the answer to question $3$ and $4$ using the information from my answers in $1-2.$ Please help if you can!

Jos inc. Is considering alocating a umited amount of capitar investment funds among tour proposals. Find below the four proposals.

$\backslash$table$[[$Year$,$Proposal A $($$$),$Proposal B $($$$),$Proposal C $($$$),$Proposal D $($$$)],[0,-540,000,-250,000,-640,000,-310,000$