Development of Version $2\mathrm{.}0$ of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table:

$\backslash$table$[[,\backslash$table$[[$Normal$],[$Activity$]],\backslash$table$[[$Crash$],[$Time $($weeks$)]],\backslash$table$[[$Normal$],[$Time $($weeks$)],[$Cost$]],\backslash$table$[[$Total Cost$],[$with$],[$Crashing$]],$Immediate Predecessor$($s$)],[$A$,4,3,$$$2,000,$$$2,650,-],[$B$,2,1,$$$2,100,$$$2,900,-],[$C$,3,3,$$$500,$$$500,-],[$D$,8,4,$$$2,300,$$$2,600,$A$],[$E$,6,3,$$$800,$$$1,100,$B$],[$F$,3,2,$$$3,200,$$$4,600,$C$],[$G$,4,2,$$$1,500,$$$2,100,$D$,$ E$]]$

a$)$ Based on the given information regarding the activities for the project, the project length $=$ weeks.