started business in January 2003.the following info. was extracted from his book on 31 Dec. 2005:
debtors- $320000
bad debts-$29500
provision for doubtful debts-$18000
provision for doubtful debts is to be revised to 5% of debtors at 31 December 2005
呢個點計ar,可唔可以slow my calculation ar~
thx~