4. Explain what the following ratios communicate about the business.

a. Gross profit margin (2 marks)

b. Operating profit margin (2 marks)

c. Return on assets (ROA) (2 marks)

d. Return on equity (ROE) (2 marks)

e. Gearing ratio (2 marks)

f. Inventory turnover (2 marks)

g. Interest coverage ratio (2 marks)

h. Earnings per share (2 marks)

i. Price earnings ratio (2 marks)

j. Dividend yield (2 marks)

k. Dividend payout ratio (2 marks)

l. Net working capital (2 marks)

m. Current ratio (2 marks)

n. Quick ratio (2 marks)

o. Debt to equity ratio (2 marks)