Which of the following statements is/are correct about the land revenue system of maharaja Ranjit singh? 1.Batai system was replaced by a system of assessment know as kanut. 2.The share of government was determined on the basis of a standing crop whose value was estimated in terms of money. 3.The state demand varied from two fifth to one third of the produce of the year. 4. Land revenue was collected twise a year. Which of the following statements given above is/are correct ? A) 1,2 and 4 B) 3 and 4 C) 2,3 and 4 D) All of these