Given the following financial ratios, calculate the Altman's z-score for AZS Bank: working capital/total assets ratio is 0.2, retained earnings/total assets ratio is 0.012, earnings before interest and taxes/total assets ratio is -0.24, market value of equity/book value of total liabilities is 0.15, and sales/total assets ratio is 2.9: (Please enter your answer with 4 digits after the decimal point!)