Activity data, Precedence relations and Resources data

II$.$ REQUIREMENTS

$1.$ Determine the critical activities and calculate the project duration

$2.$ Allocate resources

$3.$ Level resources

$\backslash$table$[[$Activity$,$Immediate,Normal,Resources$],[,$Duration $($weeks$),$R$1($laborer$),$R$2($carpenter$)],[$A$,$cdots$+-,2,2,1],[$B$,$A$,4,4,2],[$C$,$A$,4,4,2],[$D$,$A$,3,3,1],[$E$,$B$,4,4,1],[$F$,$C$,7,4,4],[$G$,$C$,2,2,1],[$H$,$D$,5,4,3],[$J$,$F$,2,2,1],[$K$,$H$,5,4,3],[$L$,$J$,2,2,1],[$M$,$E$,$G$,$L$,3,3,2],[$N$,$K$,$M$,2,2,1]]$

$*$A maximum value of $4$ and $6$ has been specified for resources types R$1$ and R$2$ respectively during the entire project.