From the following data compute the Cost of Goods Sold and Closing Inventory under FIFO, LIFO and WAC methods of inventory valuation:

Nov 1: Stock in hand 250 units @ Rs9 each

Purchases

Nov 2

(250 units @ Rs 11 each)

Nov 9

(500 units @ Rs 12 each)

Nov 17

(300 units @ Rs 10 each)

Nov 22

(250 units @ Rs 12 each)

Nov 29

(200 units @ Rs 13 each)

Issues

Nov 4

(200 units)

Nov 7

(250 units)

Nov 15

(450 units)

Nov 20

(250 units)

Nov 30

(300 units)