PM.58 Tech Solutions XYZ makes accessory products for tablet computers. Below are all the activities required to develop a new wireless keyboard and cover combination:

Activity	Duration (days)	Immediate Predecessor(s)
A	4	-
B	11	-
C	5	-
D	4	A
E	2	C
F	12	B,D,E
G	14	D,E
H	5	F
I	6	G,H
J	16	I

What is the overall duration of the project (in days)? What is the earliest day you could start activity J? (Write the day number in the field below.) What is the earliest day you could finish activity H? What is the latest day you could start activity B? What is the latest day you could finish activity A? What is the slack time for activity I? What would be the overall duration of the project if activity D were increased by 5 days, from 4 to 9 days?