Answer:
OPTION (i) and (ii) BOTH
Explanation:
Any competitive firms employ workers for their firms, till the additional benefits which came from the previous worker who was employed is almost equal to the statements which are been presented in statement (i) and (ii).
Because if any employee of an an organization or a firm changes or replaces its employees, then also the salary and the addition income that will be paid to the new employee, is same as it was given to the previous employee.