Given the following information for a project, what are the estimated slack times $($in days$)$ for activities A$-$H$?$

$\backslash$table$[[$Activity$,\backslash$table$[[$Immediate$],[$Processor$]],$Activity Time$],[($days$),,],[$A$,-,6],[$B$,-,8],[$C$,$A$,$ B$,5],[$D$,$B$,4],[$E$,$C$,7],[$F$,$C$,$ D$,3],[$G$,$D$,6],[$H$,$E$,$ F$,$ G$,5]]$

$)=0$;$B=0$;$C=0$;$D=2$;$E=0$;$F=4$;$G=2$;$H=(0)=2$;$B=0$;$C=0$;$D=2$;$E=0$;$F=4$;$G=2$;$H=(0)=3$;$B=0$;$C=1$;$D=2$;$E=0$;$F=4$;$G=2$;$H=(0)=4$;$B=0$;$C=0$;$D=3$;$E=0$;$F=4$;$G=2$;$H=(0$

None of the above