Which of the following statements about Amaranayakas of Vijayanagara are correct? 1. The Amaranayakas were military commanders who were given territories to govern by the Raya. 2. In lieu of their service and also to maintain their contingents, they were paid in cash. 3. They maintained stipulated contingents and elephants. 4. They used to send tribute to the king annually and personally appeared in the royal court with gifts to express their loyalty. Select the correct answer using the code given below.