Bell computer is planning to launch a new high-end server. Nine steps or tasks are required to assemble this computer. Daily demand is expected to be 81 units and there are three 8-hour shifts available each day to meet this production quota.

Task	Req'd Time (in minutes)	Predecessor
A	16	None
B	15	A
C	6	B
D	5	B
E	11	A
F	4	C, D
G	7	F
H	16	E
I	5	G, H

1, What is the takt time (in minutes) for this production line? (Round your answer to a one decimal place.)

2, What is the cycle time (in minutes) for this production line?

3, What is the combined idle time (in minutes) for this production line?

4, What is the overall efficiency for this production line? (answer as a percentage, and display your answer to two decimal places.) %