3.(TCO F) The following data were obtained from an information systems project to upgrade and expand a local area network.

Activity Duration Predecessors Task Budget

A 3 days — $4,920

B 6 days — $7,680

C 3 days A $15,140

D 2 days B $3,980

E 3 days B $5,630

F 2 days C and D $2,270

At the end of Day 7, the status of the project is as follows. Activity % Complete Actual Cost

A 100% $4,200

B 100% $8,740

C 100% $18,250

D 65% $2,600

E 10% $560

F 0% $0

(a) Calculate the cost and schedule variances and indexes for Tasks A, B, C, D, and E.

(b) As project manager, write a brief summary of the status of the project at this time. (Points : 20)