Find out the value of stock as on 31.3.2009 if the company follows

The following are the details of “X” Ltd

1.1.2009

Opening stock: “nil”

1.1.2009

Purchases

200 units @ Rs 15 per unit

15.1.2009

Issues

100 units

1.2.2009

Issues

400 units @ Rs 20 per unit

15.2.2009

Issues

200 units

20.2.2009

Issues

200 units

1.3.2009

Purchases

300 units @ Rs 25 per unit

15.3.2009

Issues

200 units

Required

Find out the value of stock as on 31.3.2009 if the company follows:

FIFO, LIFO and WAP Basis