how to calculate acid test ratio

3. Pinto is a publicly listed company. The following financial statements of Pinto are available: Statement of comprehensive income for the year ended 31 March 2008: Income from and gains on investment property 60 (120) \begin{tabular}{ll} Distribution costs & (120) \\ Ad & (350) \\ \hline \end{tabular} Administrative expenses Interest cost Profit before tax Income tax expense Profit for the year 440(160) 280 The following supporting information is available: - Term of sales are net 30 days - One year equals to 360 days Required: Compute the following ratio for year 2008 a) Working capital b) Current ratio c) Acid-test ratio