A police officer accumulated property worth Rs. 2 crores over 10 years while his known annual income was Rs. 8 lakhs. He claims the property was acquired through inheritance and his wife's business. Under PCA provisions, which statements are correct? Statement 1: The unexplained property triggers a presumption of corruption under Section 20. Statement 2: The officer must prove the source is legitimate and explain the disproportion. Statement 3: Inheritance and business income automatically exempt from scrutiny. Statement 4: The officer can be prosecuted for criminal misconduct under Section 13 if explanation is unsatisfactory. Which statements are correct?