From the following particulars of a manufacturing company, prepare a statement showing (a) cost of materials used, (b) prime cost, (c) works cost, (d) percentage of works overheads to productive wages, (e) cost of production, (f) percentage of general overheads to works cost and (g) net profit:

Rs

Stock of materials on 1 January 1985

20,000

Purchase of materials in January

5,50,000

Stock of finished goods on 1 January 1985

25,000

Productive wages

2,50,000

Finished goods sold

12,00,000

Works overhead charges

75,000

Office and general expenses

50,000

Stock of materials on 31 January 1985

70,000

Stock of finished goods on 31 January 1985

30,000