3. A bond you are evaluating has a 10 percent coupon rate (compounded semiannually), a $1,000 face value, and is 10 years from maturity. a. If the required rate of retum on the bond is 6 percent, what is its fair present value? b. If the required rate of return on the bond is 8 percent, what is its fair present value? c. What do your answers to parts (a) and (b) say about the relation between required rates of return and fair values of bonds? 4. A preferred stock from Hecla Mining Co. (HLPRB) pays $3.50 in annual dividends. If the required rate of return on the preferred stock is 6.8 percent, what is the fair present value of the stock