1. Please write (type) about: why is Porter's 5 Forces Model useful for firms? with example.
2. How does China Noah’s profitability (using return on sales as the primary metric) change depending on whether the IDR/CNY exchange rate follows (a) forecast spot rates, (b) forward rate quotes, or (c) fixed rate baseline assumption?
3. Suppose that you buy an 8% annual coupon bond today when the interest rate is 10%. The bond has 10 years to maturity. One year from now, the YTM on your bond has declined by 1%, and you decide to sell. What is the return on your investment?