Answer:
d. workers are motivated by higher wages to work harder.
Step-by-step explanation:
If workers are been motivated by giving them a higher daily income to make them work harder.
If the company wants to manufacture products and earn money, then the company have to see that my workers are happy or not, because in the company the workers are the assets. So if the company provide the workers high daily wage, then the workers will work harder and give their hundred percent on the field.