Models represent the broadest level of instructional practices and present a philosophical orientation to instruction. Models are used to select and to structure teaching strategies, methods, skills, and student activities for a particular instructional emphasis.
Financial ratios are useful indicators of a firm's performance and financial situation. Most ratios can be calculated from information provided by the financial statements. Financial ratios can be used to analyze trends and to compare the firm's financials to those of other firms. In some cases, ratio analysis can predict future bankruptcy. Financial ratios can be classified according to the information they provide. The following types of ratios frequently are used:
(1) Any ratio used to calculate the financial leverage of a company to get an idea of that company's methods of financing or measure its ability to meet its financial obligations. There are several ratios, but the main factors evaluated by a ratio include debt, equity, assets, and interest expenses.