Given the table below, assuming that there are only $8$ resources available at any time:

$\backslash$table$[[$Activity$,\backslash$table$[[$Duration$],[($weeks$)]],$Dependency,Resources$],[$Start$,0,,0],[$A$,12,$start,$4],[$B$,7,$start,$2],[$C$,4,$B$,3],[$D$,3,$A$,5],[$E$,1,$B$,5],[$F$,7,$C$,4],[$G$,5,$D$,$E$,4],[$H$,2,$D$,$E$,5],[$I$,4,$E$,$F$,3],[$J$,6,$H$,$I,$3],[$K$,8,$G$,$J$,3]]$

a$)$ Provide the network diagram

b$)$ Provide the steps and process to update the schedule based on resource constraints

c$)$ Provide the final Gantt chart. $($you do not have to recalculate the slack or late finish$)$

d$)$ What is the final project duration?