According to the principle object of management should be to secure minimum prosperity for the employer, coupled with the maximum prosperity for the employee.

Taylor

Explanation:

Taylor's theory of management is based on scientific principles that there is one best way to perform any task of the organization in order to benefit the business.

He believed in the best possible way to be used as the standard way to perform any activity of the business. Which were all discovered through various experiments in the management.

He believed in delivering maximum towards the society as a whole, that is to the employees, customers and other parties involved.

answer; (b) insider trading;