Q3. (a). Why does a Yield curve downward slopping? Explain Briefly. (4) (b) Suppose there are two bonds A and B. Moreover, Bond A is a 1-year bond and bond B is a 2-years bond. The coupon rate on Bond A in the first year is 5%, and the coupon rate is 6% in the second year. The coupon rate on Bond B is 5.5%. What will be the shape of the yield curve for these two types of bonds? (3) (c). Assume a Zero-coupon A bond with a market selling price of $900 and a face value of $1,000. Another newly issued bond, B, in the market with the same face value as Bond A. The coupon payment on Bond B is $150 annually. The selling price of Bond B is $950. Which bond will yield a high current interest rate? pls i need this within 30 mins