Your in charge of a project at the local community center. The center needs to remodel one of the room in time for the start of a new program. Delays in the project mean that the center must rent other space at nearby church at additional cost. Time and cost data for you project are contained in the table: Your interest is minimizing the cost for the project to the community center. a) Using the normal timr for each activity, what is the ealiest date you can complete the project? b) Suppose the variable overhead costs are $ 50 per day for your project. Also, suppose that the center must pay $ 40 per day for temporary room on day 15 or beyond. Find the minimum-cost project schedule.

Activity NormL(T) Normal Cost ($) Crash T(days) Crash Cost($) Immediate Predecessors

Start 0 0 0 0
A 10 50 8 150 Start
B 4 40 2 200 Start
C 7 70 6 160 B
D 2 20 1 50 A,C
E 3 30 3 30 A,C
F 8 80 5 290 B
G 5 50 4 180 D
H 6 60 3 180 E,F
Finish 0 0 0 0 G,H