$[8$pts$]$ Your company's Capital Projects Committee receives proposals for $4$ independent projects ALT$1-4($all revenue type$).$ It is not required to do any of them $($i$.$e$.,"$do nothing" is an option$).$ MARR $=18\%.$ Calculate PW of each alternative using a $4-$year study period $($market value is for the study period length$).$ Specify which if any projects should be selected and explain your answer.