Kamal Nayan of Kamalangar purchased goods for his the departments as follows: Deptt. A 2000 pieces Deptt. B 14000 pieces Total Cost of Rs. 51000 Deptt. C 4000 pieces Sales of three departments were as follows: Deptt. A 1800 pieces at Rs. 15 per piece 15000 pieces at Rs. 18 per piece Deptt. B Deptt.C 4500 pieces at Rs. 6 per piece Other information about stock in the beginning was as follows: of Stock Deptt. A 1000 pieces Deptt. B 4000 pieces Deptt.C 600 pieces Kamal Nayan informs you that the rate of gross profit is the same in all departments. You are required to prepare trading account for the three departments