Consider the following statements:1. The delay time is the time required to reach 50% of the final value in the first time.2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.Which of these statements are correct?

• A. 1,2 and 3 only
• B. 1 and 2 only
• C. 1 and 3 only
• D. 2 and 3 only negative real axis