3. The Hisar Dal Mills Ltd. does not maintain a perpetual inventory of gram which it buys and issues to the mills. The physical inventory taken of 31st March, 2005 shows the following quantity of gram on hand: 10 tonnes @ 840 per tonne. The purchases during April as follows: 5th April 100 tonnes @ 850 per tonne 15th April 50 tonnes @ Rs. 900 per tonne 29th April 10 tonnes @ Rs. 920 per tonne A physical inventory on 30th April, 2005 shows a stock of 15 tonnes of gram on hand. Price Method