Which of the following statements regarding the principle of 'equal pay for equal work' in position classification are correct? A. Position classification upholds the 'equal pay for equal work' principle by linking compensation directly to the difficulty and responsibility of the job. B. All positions grouped within a specific class are assigned the same pay scales because they involve identical duties and similar levels of difficulty. C. The rank classification system is more efficient at implementing 'equal pay for equal work' as it determines salary based on the incumbent's personal status. D. Under position classification, an employee's salary and status are dependent on their assigned duties rather than their personal rank. Choose the most appropriate answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The position classification system is characterized by persistent administrative pressure from staff for the upgrading of their job roles through more advantageous descriptions. Reason R: In this system, an employee's status and compensation are tied to the assigned duties rather than personal rank, which can lead to feelings of insecurity among the workforce. In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The position classification system is often associated with reduced horizontal and vertical mobility of personnel within the government structure. Reason R: Position classification is a simplified scheme with fewer classes, which makes it easier to administer and maintain over long periods without revision. In the light of the above statements, choose the most appropriate answer from the options given below: