Assume the network and data that follow:

ACTIVITYNORMAL TIME $($WEEKS$)$NORMAL COSTCRASH TIME $($WEEKS$)$CRASH COSTIMMEDIATE PREDECESSORSA$2$$$501$$$70$B$4802160$AC$8704110$AD$660580$AE$71006130$BF$4403100$DG$51004150$C$,$ E$,$ F

b$.$ Indicate the critical path when normal activity times are used.

multiple choice $1$

A$-$B$-$E$-$G

A$-$D$-$E$-$G

A$-$D$-$F$-$G

A$-$C$-$F$-$G

JOB AND DESCRIPTIONIMMEDIATE PREDECESSORSTIME

$($HOURS$)$a$.$ Start$0$b$.$ Get computer printouts of customer purchasesa$10$c$.$ Get stock records for the montha$20$d$.$ Reconcile purchase printouts and stock recordsb, c$30$e$.$ Total stock records by departmentb, c$20$f$.$ Determine reorder quantities for coming periode$40$g$.$ Prepare stock reports for purchasing agentsd, f$20$h$.$ Finishg$0$

How long will the total process take?

Which jobs can be delayed without delaying the early start of any subsequent activity?

multiple choice

b and d

c and e

e and f

d and g