$\backslash$table$[[$Activity Immediate Predecessor$($s$),\backslash$table$[[$Normal$],[$Time $($weeks$)]],\backslash$table$[[$Normal$],[$Cost $($$$)]],\backslash$table$[[$Crash$],[$Time $($weeks$)]],\backslash$table$[[$Crash$],[$Cost $($$$)]],],[$A$,-,3,5,000,1,9,000],[$B$,-,7,3,000,5,6,000],[$C$,$A$,9,7,000,8,12,000],[$D$,$A$,$ B$,11,8,000,9,14,000],[$E$,$B$,2,5,000,2,5,000],[$F$,$D$,8,1,000,5,7,000],[$G$,$E$,$ F$,2,3,000,1,9,000],[$H$,$G$,8,3,500,7,4,500],[$I$,$C$,$ F$,9,3,000,8,7,000]]$

a$.$ What is the critical path based on the normal time?

A$.BDFGH$

B$.$ BDFI

C$.$ BEGH

D$.$ ADFGH

b$.$ What is the project duration based on the normal times? weeks.

c$.$ Calculate different project costs based on the normal times.

Total direct costs $($total normal costs$)$: $$,$

Total indirect costs: $

Total penalty costs: $

d$.$ To reduce the project duration by $1$ week, which activity should we crash to minimize the project costs?

A$.$ Activity D

B$.$ Activity G

C$.$ Activity B

D$.$ Activity $A$

E$.$ Activity $H$

e$.$ What are the various project costs after crashing the activity you selected in part $($d$)?$

Total direct costs $($total normal costs$)$: $

Total indirect costs; $

Total penalty costs: $