Answer:
75%
Step-by-step explanation:
Given: Total number of work station = 10 workstation.
Target of 120 bags in 8 hours workday.
Sum of task times is 30 minutes/bag.
The cycle time is 4 minutes/bag.
Now, finding the assembly line of efficiency
Formula; Assembly line of efficiency=

⇒ Assembly line of efficiency=

Next, to know the assembly line of efficiency in percent, we will multiply by 100.
∴ Assembly line of efficiency=

∴ The Assembly line of efficiency is 75%