An aerospace component manufacturer, AeroPrecision, increases its weekly production of turbine blades from 1,200 1,200\,1,200 units to 1,500 1,500\,1,500 units. Over the same period, the number of assembly workers employed increases from 15 to 20, with all workers continuing to work a standard 40-hour week.
Which of the following represents the percentage change in labour productivity at AeroPrecision?
An increase of 25.0%25.0\%25.0%
A decrease of 6.25%6.25\%6.25%
An increase of 33.3%33.3\%33.3%
A decrease of 25.0%25.0\%25.0%
