Find the earliest completion times for orderβrequirement digraphs (a) and (b).
ββββββββββββββββββ
Find the critical path for digraph (a).
A. T2T5T7
B. T2T4T5T7
C. T1T3T5T7
D. T3T5T7
E. T1T4T7
ββββββββββββββββββ
Find the critical path for digraph (b).
A. T3T5T7
B. T2T4T5T7
C. T2T5T7
D. T1T3T5T7
E. T1T3T5T8
F. T1T4T7
