$\backslash$table$[[$Activity$,\backslash$table$[[$Time$],[($Weeks$)]],\backslash$table$[[$Time$],[($Weeks$)]],\backslash$table$[[$Normal$],[$Cost$]],\backslash$table$[[$Crash$],[$Cost$]],\backslash$table$[[$Immediate$],[$Predecessi$]]],[$A$,7,3,$$$2,100,$$$2,700,--],[$B$,2,1,1,900,2,400,--],[$C$,5,3,400,800,--],[$D$,5,4,1,950,2,500,$C$],[$E$,4,3,1,100,1,200,$A$,$ B$],[$F$,3,1,3,100,4,000,$D$,$ E$]]$

a$.$ What is the project completion date?

weeks

b$.$ What is the total cost required for completing this project on normal time?

c$.$ If you wish to reduce the time required to complete this project by $1$ week, which activity$($s$)$ should be crashed?

$,$ and how much will this increase the

total cost by$?$ &

d$.$ What is the maximum amount of weeks that this project can be crashed by$?,$ and what is the total cost?