Choose all of the following that are solvency ratios. Select all that apply. Asset turnover ratio: (net sales / average total assets) Inventory turnover: (cost of goods sold / average inventory) Accounts receivable turnover: (net sales/ average accounts receivable) Times interest earned ratio: ((net income + interest expense + income tax expense) / interest expense) Current ratio: (current assets / current liabilities) Return on common stockholders' equity: ((net income - preferred stock dividends) / average common stockholders' equity) Debt to total assets ratio: (total liabilities / total assets) Gross profit rate: (gross profit/ net sales) Profit margin: (net income / net sales) Return on assets ratio: (net income / average total assets)