URGENT ANSWER PLEASE

1. What are the similarities and differences between risk-adjusted discount rate methods and the certainty-equivalent method for incorporating risk into the capital budgeting decision? Explain your answer.

2. Assume you want to invest in a share market. so as a potential shareholder, it comes to your mind that, what is meant by the investor's required rate of return and how do we measure the riskiness of security such as a company share? Explain your answer on your understanding.