A developer that specializes in compact urban amusement parks has formulated the following list of activities necessary to release a contract for the preparation of a new site. Times are given in weeks.

Estimated Immediate Activity Time

Activity Description Predecessors (weeks)

A Preliminary architectural design _ 14

B Community impact hearings A 2

C Line up potential financiers A 12

D Permit application A 5

E Negotiate comity impact details B 6

F Final Design B 8

G Loan approval C, F 3

H Permit hearings D 2

I Permit granting H 8

J Negotiate contract G, I 6

K Release contract E, J 3

Which activities are on the critical path