MANCOSA: POSTGRADUATE DIPLOMA IN BUSINESS MANAGEMENT Avaluate the performance of the company by calculating and commenting on the following ratic QUESTION 3 Gross margin Profit margin Return on assets Return on equity Current ratio Acid test ratio . MANCOSA: POSTGRADUATE DIPLOMA IN BUSINESS MANAGEMENT Avaluate the performance of the company by calculating and commenting on the following ratic QUESTION 3 Gross margin Profit margin Return on assets Return on equity Current ratio Acid test ratio