$\backslash$table$[[$Activity$,\backslash$table$[[$Immediate$],[$Predecessor$($s$)]],\backslash$table$[[$Most$],[$Optimistic$]],\backslash$table$[[$Most$],[$Likely$]],\backslash$table$[[$Most$],[$Pessimistic$]]],[$A$,-,2,4,6],[$B$,$A$,1,4,7],[$C$,$B$,2,2,2],[$D$,$D$,1,7,10],[$E$,$E$,2,4,6],[$F$,$C$,1,2,3],[$G$,$D$,$G$,3,4,17],[$H$,$D$,3,7,11],[$I$,$F$,$H$,8,9,10],[$J$,$I,$4,5,6]]$

Using Table $7\mathrm{.}12$ what is the earliestexpected time of completion of the whole project?

greater than $22$ but fewer than or equal to $23$ days

$($B$)$ greater than $21$ but fewer than or equal to $22$ days

greater than $23$ days

fewer than or equal to $21$ days