QUESTION $23$

Table of Crashing Decision

$\backslash$table$[[,$TIME $($WEEKS$),$COST $($$$)],[$ACTIVITY$,\backslash$table$[[$IMMEDIATE$],[$PREDECESSOR$($S$)]],$NORMAL,CRASH,NORMAL,CRASH$],[$A$,---,3,2,3,000,3,300],[$B$,---,6,4,8,000,9,000],[$C$,$A$,1,1,4,000,4,000],[,,,,,],[$D$,$A$,5,4,3,500,4,000],[$E$,$B$,4,3,4,750,5,500],[$F$,$C$,2,2,2,000,2,000],[,,,,,],[$G$,$D$,1,1,4,000,4,000],[$H$,$D$,$F$,3,2,3,500,3,750],[$I$,$E$,$G$,3,2,3,000,4,250],[$J$,$E$,2,1,5,000,7,000]]$

Since no indirect cost nor penaly cost information is offered, please consider the schedule and crash cost issues only,

Using Table of Crashing Decision, what is the minimum time schedule for this project?

fewer than $8$ weeks

$8$ weeks

$9$ weeks

more than $9$ weeks