$\backslash$table$[[$Activity$,\backslash$table$[[$Preceding$],[$Activities$]],$Time $($Weeks$),$Cost$],[$Normal$,$Crash,Weeks to crash,$\backslash$table$[[$Normal$],[($R$)]],\backslash$table$[[$Crash$],[($R$)]],\backslash$table$[[$Per$],[$week$]]],[$A$,-,4,2,3,$ in $,-,$R$10000,$R$11000,$R$500],[$B$,$A$,3,2,3,$R$6000,$R$9000,$R$3000],[$c$,$A$,2,1,1,$R$4000,$R$6000,$R$2000],[$D$,$B$,5,3,3,$R$14000,$R$18000,$R$2000],[$E$,B,C,1,1,,$R$9000,$R$9000,$RO$],[F,$C$,3,2,,$R$7000,$R$8000,$R$1000],[$G$,E,F,4,2,,$R$13000,$R$25000,$R$6000],[H,D,E,4,1,,$R$11000,$R$18000,$R$2333],[1,H,G,6,5,,$R$20000,$R$29000,$R$9000]]$

$1\mathrm{.}1.$ Develop a network diagram for the project. $(6)$

$1\mathrm{.}2.$ Determine the critical path and duration of the project? $(6)$

$1\mathrm{.}3.$ How would you shorten the project by $2$ weeks? $(2)$

$1\mathrm{.}4.$ Discuss $3$ ways that can be used to ensure that the target date is met. $(3)$

QUESTION $2$

$[12]$