Process Selection and Layout The assembly station was designed to process the 12 activities required to make the part through some workstations. The following table shows the activities, their processing time, and their precedence requirements. *Graph the precedence diagram and assign tasks to work-stations so that the assembly line can produce 221units per (7hour-day).

* What is the cycle time?

Task	Immediate predecessor	Task Time
a	-	0.5
b	a	1.4
c	a	1.2
d	a	0.7
e	b . c	0.5
f	d	1.0
g	e	0.4
h	g	0.3
i	f	0.5
j	e , i	0.8
k	h , j	0.9
m	k	0.3