Candidates' performance was very poor in this question. The subject teachers should pay attention to this aspect of the syllabus. However, the following formulae should be noted.

1. Turn-over
2. Cost of Goods Sold
3. Gross Profit
4. Net Profit
5. Rate of Stock of goods sold total expences Turn-over Returns Inwards
6. Opening Stock + Purchases - Returns outward Closing Stock
7. Turn Over
8. Gross profit -
9. Cost of goods sold Average Stock