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$[[$Activity$,\backslash$table$[[$Normal$],[$Time $($weeks$)]],\backslash$table$[[$Crash$],[$Time $($weeks$)]],\backslash$table$[[$Normal$],[$Cost$]],\backslash$table$[[$Total Cost$],[$with$],[$Crashing$]],$Immediate Predecessor$($s$)],[$A$,4,3,$$$2,000,$$$2,650,-],[$B$,2,1,$$$2,300,$$$3,000,-],[$C$,3,3,$$$500,$$$500,-],[$D$,8,4,$$$2,500,$$$2,800,$A$],[$E$,6,3,$$$900,$$$1,275,$B$],[$F$,3,2,$$$3,400,$$$4,800,$C$],[$G$,4,2,$$$1,400,$$$1,900,$D$,$ E$]]$

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