Answer:
25%
Step-by-step explanation:
Calculation for the change in labor productivity
Using this formula
Change in labor Productivity = (New Productivity - Old Productivity)/Old Productivity
Let plug in the formula
Change in labor Productivity= ($2,000-$1,600)/$1,600
Change in labor Productivity= $400/$1,600
Change in labor Productivity= 0.25*100
Change in labor Productivity=25%
Therefore labor productivity will change by: 25%