$9$ points

How Did I Do$?$

$\backslash$table$[[$Activity$,$Normal Time $($weeks$),$Crashed Time $($weeks$),$Normal Cost,Crashed Cost,Predecessor$($s$)],[$A$,5,3,$$$900,$$$1,700,],[$B$,6,5,$$$350,$$$400,-],[$C$,6,5,$$$450,$$$675,-],[$D$,3,2,$$$900,$$$1,050,$A$],[$E$,5,3,$$$1,350,$$$2,550,$C$],[$F$,6,3,$$$825,$$$1,425,$B$]]$

What is the duration of the project $($in weeks$)?$

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What is the target duration of the project $($after crashing the project$)?$

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By how many weeks should activity A be crashed?

Number

By how many weeks should activity B be crashed?

Number

By how many weeks should activity C be crashed?

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By how many weeks should activity D be crashed?

Number

By how many weeks should activity E be crashed?

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By how many weeks should activity $F$ be crashed?

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What is the total cost of crashing the project $4$ weeks $($just the additional cost, not total project cost$)?($Display your answer to two decimal places.$)$