! (a) For each company, calculate the following ratios: (Round accounts receivable turnover, inventory turnover and current ratio to 2 decimal places, e.g. 14.83. Round net debt as a percentage of total capitalization to 2 decimal places, e.g. 0.83. Round average collection period, days to sell inventory, operating cash flow ratio, interest coverage, return on asset and return on equity to 1 decimal place, e.g. 14.8 or 13.5%.)