$-3\mathrm{.}32$ Kimpel Products makes pizza ovens for commercis? use. James Kimpel, CEO, is contemplating producing smalle; ovens for use in high school and college kitchens. The activities necessary to build an experimental model and related data are given in the following table:

$\backslash$table$[[$ACTIVITY$,\backslash$table$[[$NORMAL$],[$TIME$],[($WEEKS$)]],\backslash$table$[[$CRASH$],[$TIME$],[($WEEKS$)]],\backslash$table$[[$NORMAL$],[$COST $($S$)]],\backslash$table$[[$CRASH$],[$COST $($S$)]],\backslash$table$[[$IMMEDIATE$],[$PREDECESSOR$($S$)]]],[$A$,3,2,1,000,1,600,-],[$B$,2,1,2,000,2,700,-],[$C$,1,1,300,300,-],[$D$,7,3,1,300,1,600,$A$],[$E$,6,3,850,1,000,$B$],[$F$,2,1,4,000,5,000,$C$],[$G$,4,2,1,500,2,000,$D$,$ E$]]$

a$)$ What is the project completion date?

b$)$ Crash this project to $10$ weeks at the least cost.

c$)$ Crash this project to $7$ weeks $($which is the maximum it can be crashed$)$ at the least cost. $Px$

Additional problem $3\mathrm{.}33$ is available in MyOMLab.