Following table provides tasks on an assembly line, along with their immediate predecessors and task times.

task	time (Minutes)	Immed. Pred.
A	0.7	none
B	.2	A
C	.4	none
D	1	B
E	.3	A
F	.5	C
G	.7	D,E,F
H	1.2	G

The cycle time is 1.3 minutes. Draw precedence diagram. Balance the line (assign all tasks) using the longest task time rule and fill out below table. Calculate the efficiency.

work station	eligible	task	task time	Idle time