Consider the following statements 1. The international paper quantity series is based on the magnitude of A0, whose area is 0.5 m^2 (approximately). 2. The area of ​​A4 magnitude paper is 1/8th of the area of ​​A0 magnitude paper. Which of the above statement(s) is/are correct?

• A. only 1
• B. only 2
• C. 1 and 2
• D. neither 1 nor 2