Calculate the value of Closing Inventory and cost of sale according to FIFO, LIFO and WAP methods on Dec 31, 2009.

Dec 1

(Stock in hand)

250 units

@ Rs 16 per unit

Dec 5

Purchases

3,750 units

@ Rs 20 per unit

Dec-10

Purchases

4,250 units

@ Rs 24 per unit

Dec-15

Purchases

4,500 units

@ Rs 30 per unit

Dec-25

Purchases

6,000 units

@ Rs 22 per unit

Stock at Dec 31, 2009 – 1,750 units. Assuming that the sale price was uniform at Rs 30 per unit throughout the month, compute the gross profit.