Harriet is running a company that produces shoes. She had employed 100 workers in her factory and had the output of 300 shoes per week. With 200 employees the output was 600 shoes per week. She then Increased the number of employees to 300. She found that the output only
Increased to 700. Which operational phenomena has Harriet observed here?
A.
economies of scale
OB.
law of diminishing returns
C. law of cost-price increase
D.
depreciation principle
E.
fluctuation correction