Imagine you are a financial analyst tasked with evaluating a company's financial health. Choose one ratio from each of the four categories $($liquidity$,$ solvency, activity, and profitability$)$ and address the following:

Ratio Description and Interpretation:

Clearly state the four ratios you have selected.

For each ratio, explain:

What specific aspect of a company's financial health does it measure?

How is the ratio calculated?

What does a high or low value of the ratio generally indicate?

Provide a hypothetical example to help illustrate what the ratio reveals about a company.

Improving Financial Health:

For each ratio, discuss specific strategies a company could implement to improve its performance as indicated by that ratio.

Focus on the practical implications of these strategies and how they would impact the company's financial statements.

External User Perspective:

For each ratio, identify a specific external user $($e$.$g$.,$ investor, creditor, supplier$)$ who would be particularly interested in this information.

Explain how this user would utilize the ratio to make informed decisions.

Provide a real world example of a decision that could be made based on the information provided by the ratio.