One of the firm's existing projects needs to be completed earlier than planned. Use the following data and the critical path and PERT methods to answer the questions that follow. Use the "most likely time" estimate (m) as the time estimate for the CPM analysis.

Activity	Immediate Predecessors		Times in Days
a	m	b
A	None	1	3	5
B	None	1	2	3
C	A	1	2	3
D	A	2	3	4
E	B	3	4	11
F	C, D	3	4	5
G	D, E	1	4	7
H	F, G	2	4	6