Inis question: $1$ point$($S$)$ possible

The activities described by the following table are given for the J$.$C$.$ Howard Corporation in Kansas

$\backslash$table$[[$Activity$,\backslash$table$[[$Time$],[($in weeks$)]],\backslash$table$[[$Immediate$]],\backslash$table$[[$Predecessor$($s$)]],$Activity,$\backslash$table$[[$Time$],[($in weeks$)]],$Immediate Predecessor$($s$),$Activity,$\backslash$table$[[$Time$],[($in weeks$)]],$Immediate,Predecessor$($s$)],[$A$,8,,-,$D$,7,$B$,$G$,6,,$E$,$ F$],[$B$,6,,$A$,$E$,6,$B$,$H$,6,,$D$]]$

This exercise contains only parts b and $c.$

b$)$ The activities on the critical path are $$

c$)$ The total project completion time for the J$.$C$.$ Howard Corporation is weeks. $($Enter your response as a whole number.$)$