$4$ pts

PROJECT CRASHING PROBLEM $($all time in Days, all cost in $$)$: What is the Normal Duration of the project?

$\backslash$table$[[$Activity$,\backslash$table$[[$Immediate$],[$Predecessor$]],\backslash$table$[[$Normal$],[$Time$]],\backslash$table$[[$Crash$],[$Time$]],\backslash$table$[[$Normal$],[$Cost$]],\backslash$table$[[$Crash$],[$Cost$]]],[$A$,-,5,4,1000,1400],[$B$,-,3,3,800,-],[$C$,$A$,$B$,3,1,600,900],[$D$,$B$,4,2,1600,2000],[$E$,$C$,$D$,5,3,800,1200],[$F$,$E$,2,1,1300,1400]]$

$12$

$15$

$13$

$16$

$14$