Hillgate St. Martins Limited manufactures a single product. Its budget sales (in units) for December 20X4 are 9350. Opening stock of finished goods for the month is budgeted at 12 360 and closing stock is budgeted at 13 475.

Each unit of finished goods stock uses 2kg of a raw material that is forecast to cost £3 per kilo. Opening stock of raw material at the beginning of December 20X4 is forecast at 18 000 kilos, but closing stock for the month should fall to 16 000 units.

What is the budget amount in £s of purchases of this raw material for December 20X4?

a) £56 790

b) £68 790

c) £49 410

d) £55410.