In financial analysis of the financial performance, there a number of ratios can be used to evaluate the performance of the company. Provide the following ratios with their definitions formulas and evaluation each of their strengths and weaknesses

1. Retention ratio

2. internal growth rate

3. Sustainable growth rate

4. Dividend growth

5. Average change in Dividend

6. Dividend growth rate

7. Cost of equity using Capital Asset Pricing model)

Note: Provide reference to the sources used