Consider the following statements about the Charter Acts passed during British rule:

1. The Charter Act of 1813 ended the East India Company’s trade monopoly, except in tea and trade with China.
2. The Charter Act of 1833 vested legislative power exclusively in the Governor-General in Council.
3. The Charter Act of 1853 marked the beginning of competitive examinations for recruitment to the Company’s civil services.
4. The Charter Act of 1793 introduced the first budgetary system in the Indian administration.

Which of the above statements are correct?