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Part $1$

In the following table the activities with their precedence sequence and expected time$($days$)$ are listed for a project on which Carl$$ Betterton's construction company is$$ working:

$$

Activity

Immediate$$ Predecessor$($s$)$

Time$($days$)$

A

minus

$5$

B

A

$4$

C

A

$6$

D

B

$6$

E

B

$4$

F

C

$4$

G

D

$6$

H

$$E$,$ F

$7$

Part $2$

$$Carl$\text{'}$s team should be able to complete the project in

$$

$22$ days.

Part $3$

Critical path activities for$$ Carl's project are

A $-$ C $-$ F $-$ H

A $-$ B $-$ E $-$ H

A $-$ C $-$ F $-$ H

A $-$ B $-$ D $-$ G

$.$