The following information relating to a manufacturing company is given:

Opening stock of raw materials 400, 000

Closing stock of raw materials 300, 000

Purchases of raw materials 1, 150, 000

Labour engaged 1, 000, 000

Factory expenses (incurred and outstanding) 250, 000

Office and administration expenses 120, 500

Selling and distribution expenses 70, 500

You are required to ascertain the following:

a) Value of raw materials used

b) Prime cost

c) Factory cost

d) Cost of production

e) Total cost.