A small assembly line for the assembly of power steering pumps needs to be balanced. Precedence diagram is shown below.

The cycle time is determined to be 1.8 minutes. How would the line be balanced by choosing the assignable task having the longest task time first? Fill in the table below. If your answer is zero, enter "0". Round your answers to one decimal place.

Station	Tasks	Total Time	Idle Time
1	B,A,C,D
2	E,F
3	G,H,I
	Total

What is the assembly-line efficiency? Round your answer to one decimal place.

%