An assembly line consists of 21 tasks grouped into 5 workstations. The sum of the 21 task times is 85 minutes. The largest assigned cycle time is 20 minutes. The efficiency of this line is

A) 4.2%.
B) 17%.
C) 85%.
D) 100%.
E) 126%.

Assigned Cycle Time

The preset duration within which a particular task or operation must be completed in a production process.

Efficiency

The ability to accomplish a task or goal with a minimum expenditure of time, effort, and cost, often evaluated in terms of productivity.