The following data are related to the manufacture of a standard product during the month of January 2010:

Raw materials

4,00,000

Direct wages

2,40,000

Machine hours worked

8,000 hours

Machine hour rate

Rs. 20

Administration overheads

10% of works cost

Selling overheads

Rs. 7.50 per unit

Units produced

4,000

Units sold

3,600 @ Rs. 250 each

You are required to prepare a cost sheet in respect of the above showing (a) cost per unit and (b) profit for the month.