Use the following project info to answer. $q,($times are in weeks, costs in hundreds$)$

a$.$ What is project duration and cost and critical path?$($note there are no indirect costs$)$

b$.$ How would you shorten the project by $1$ week? Now what is the project duration, cost, and critical path?

c$.$ How would you shorten the project again by $1$ week? What is the project duration, cost, and critical path?

d$.$ One more week..... how would you shorten the project by another week? What is the final project duration, cost, and critical path?

$\backslash$table$[[$Activity$,$Normal$-\_,$Crash$-,$Predecessor$($s$)],[$Time$,$Cost,Time,Cost$],[$A$,3,50,2,70,--],[$B$,5,60,3,180,$A$],[$C$,3,70,2,110,$A$],[$D$,10,50,--,-,$A$],[$E$,6,100,3,250,$B$],[$F$,7,90,4,390,$c$],[$G$,5,50,4,120,$D$,$ EF$]]$