You are a manager for a large machine installation project at your facility. It is broken down into the following tasks with estimated task times and predecessor relationship. Also given are estimated costs.

Estimated Task Time

Task ID

Task Name

Predecessor

Cost $/$ Day

Total Cost

$8$

A

Site Evaluation

$150$

$1200$

$10$

B

Initial Design

$200$

$2000$

$12$

C

Design Approval

A$,$B

$100$

$1200$

$5$

D

Order Materials

C

$300$

$1500$

$12$

E

Initiate Foundation Work

C

$80$

$960$

$14$

F

Design and Install Electrical

D

$60$

$840$

$8$

G

Design and Install Plumbing

D

$200$

$1600$

$6$

H

Design and Install HVAC

F$,$G

$300$

$1800$

$12$

I

Machine Installation

E$,$F

$120$

$1440$

$4$

J

Task Name

I, H

$150$

$600$