1. How do you use numbers to differentiate benefits and costs when applying the valuation principle? For example, you take up a car loan in the amount of $20000 and will be paying $500 every month over the next 4 years? (limit your answer to 1 line). 2. How do banks differentiate their customers with different abilities to payback, that is, to ensure that they do not lose money on customers with worse credit scores, when they hand out loans? (limit your answer to 1 line). 3. How does a typical shareholder exercise their control of the firms they invest in? (limit your answer to 1 line). 4. What is the closing level of Dow Jones Industrial Average and S&P 500 on last Friday? 5. How can you find out whether a stock is listed on the NYSE or not? (limit your answer to 1 line)