urgently detailed solution required

Question 2 (10) On 1 January, a company had an opening inventory of 100 units which cost at Rs.50 each. During the year, it made following purchases and sales. Purchases: 5th April- 300 units at Rs.60 each, 14" July-500 units at Rs.70 each, 22 Oct-200 units at Rs.80 each. Sales: 9 May 200 units, 25 July 200 units, 23 November 200 units, 12 December 200 units. Required: Based on perpetual inventory system, calculate the following 1. In FIFO method, determine cost of goods sold and value of closing stock. (5) 2. In Weighted average method, determine cost of goods sold and value of closing stock. (5) Note: The weighted average method calculates a new average cost after each purchase