2019	2020
	RM	RM
Sales	7,605,000	8,320,000
Cost of sales	3,762,400	4,716,520
Expenses	3,072,000	2,806,140

At 31 December

	2019	2020
	RM	RM
Noncurrent asset	290,000	500,600
Inventory	550,000	620,000
Account receivable	1,014,000	1,203,000
Bank	75,600 DR	15,000 CR
Account payable	370,000	510,000
5% debentures	250,000	250,000

Notes:

1. Inventory at 31 December 2018 was 10% higher than inventory at 31 December 2019.
2. All purchases and sales were made on credit.

You are required to calculate the following ratio ( two decimal places) for the year ended 31 December 2019 and 2020.

1. Gross profit margin (3 marks)
2. Net profit margin (3 marks)
3. Current ratio (3 marks)
4. Quick ratio (3 marks)
5. Inventory turnover ratio (5 marks)
6. Debtors collection period (3 marks)
7. Creditors settlement period (5 marks)