Given the following information belows:

Activity Duration Predecessors

A $2$ weeks Start

B $3$ weeks Start

C $5$ weeks Start

D $7$ weeks A

E $3$ weeks B

F $2$ weeks C

$G4$ weeks F

H $1$ week A

$18$ Weeks D$,$E$,$G

$1\mathrm{.}5$ weeks $F$

K$.2$ weeks D$,$E$,$G$,$H

A$.$ Determine the Critical Path and Project Duration.

B$.$ What is the slack time $($float$)$ for activities A$,$ B$,$ G$.$ and I?