Activity	Predecessor	Duration (weeks)
			a	none	6
b	none	9
c	a, b	3
d	c, e	7
e	b	2
f	e	9
g	d	8
h	f,g	5

In order to manufacture tables faster to meet market demand you are in charge of redesigning and implementing a new manufacturing process. As the project manager, you need to make sure the project is completed on time and on-budget. The table below lists the steps that need to be complete. What is the length of the project?