Consider the following statements:
- The last Mauryan ruler, Brihadratha was assassinated by his commander-in-chief, Pushyamitra Sunga.
- The last Sunga king, Devabhuti was assassinated by his. Brahmana Minister Vasudeva Kanva who usurped the throne.
- The last ruler of the Kanva dynasty was deposed by the Andhras.
Which of these statements is/are correct?