Consider the following statements regarding Akbar's 'Mansabdari' system: 1. Every officer was assigned a dual rank: 'Zat' and 'Sawar'. 2. The rank was strictly hereditary, passing from father to son. 3. Mansabdars could be paid either in cash (Naqdi) or through land revenue assignments (Jagirs). Which of the statements given above is/are correct?