Given the project within the table below, calculate the following:

Activity Duration $($hours$)$ Immediate Predecessors

A $4-$

B $3-$

C $10-$

D $7$ B$,$C

E $1$ D

F $1$ E

G $5$ A$,$F

a$.$ What is the critical path

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and it's length

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b$.$ How much slack does activity A have?

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c$.$ How much slack does activity B have?

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d$.$ How much slack does activity G have?

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e$.$ For activity E$,$ what is the late start

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$,$ and the late finish

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$.$