A firm has in the past provided for bad debts on the basis of 10% of yr end trade receivables.

The provision brought forward (brought down) on 1 January 2006 was €520
During the yr ended 31 December 2006 the bad debts written off amounted to €620 and the remaining trade receivables totalled €7,400. On 30 September a bad debt of €300 written off in 2003 was recovered.
The usual provision for doubtful debts is to be made.

Required for year ended 31 December 2006;-
a)