Consider the following statements regarding the vivid geographical aspects of Bihar:1. Agriculture contributes nearly 67% to Bihar's domestic product.2. Silk industry in Bihar provides self-employment to over 1, 50, 000 people.3. About 47 lac acres of land in Bihar get flooded every year, while 10 lac acres remain permanently waterlogged.4. The 85% to 90% of Bihar's rural households own less than 5 acres of land each. Which of these statements are correct?