Jobs	Duration (months)	Predecessors	Early Start (ES)	Late Start (LS)	Early Finish (EF)	Late Finish (LF)	Total Slack (LS-ES)
A R&D study	4	-
B product design	5	A
C consumer testing	4	A
D market	2	B,C

The project above is scheduled in months. There is a pentalty of $10,000 for every month over 9 months to completion. Fill in the table and Identify the least cost schedule in excel and show your work.

COSTS FOR REDUCING TIMES INCLUDE:

reducing activity B from 5 months to 4 months costs an additional $6000

activity B can be reduced from 5 months to 3 months for $13000 total

activity C can be reduced from 4 months to 3 months at a cost of $3000

activity D can be reduced from 2 months to 1 month at a cost of $9000