In calculating a company's enterprise value, finance professionals typically utilize the book value of debt. Why is this the case that we typically use the book value of debt when calculating market values of equity and other forms of firm capitalization, and when is it preferable to refer to the market value of debt? [5 marks] b) Describe the market signals that investors perceive from an already dividend-paying firm announcing an increase in its dividend payments to shareholders. [5 marks] c) Describe the market signals that investors perceive from a non-dividend-paying firm announcing its intention to become a dividend-payer to its shareholders. [5 marks]