Answer :
Answer:
D) 25%
Explanation:
Productivity can be described as a measure of profitability of the work done by a company. For example a sales department may measure productivity by number of closed sales in a week.
In this instance the cleaning company will consider cost reduction an increase in productivity.
They were using 10 lbs each for house A, B, and C (30 lbs). An additional 10 lb is used increasing total chemicals used to 40 lb.
The increase in chemical usage is a drop in productivity for the company as they are spending more.
The percentage drop in productivity is a proportion of the additional quantity of chemical to total chemicals used.
Percentage drop in productivity= (10/40)*100= 25%