The convex shape of the bond price-yield curve shows: 1. The curve is always downward sloping. 2. The curve is flatter for higher interest rate. 3. For 1% change in interest rate, the bond prices will decrease more when interest rate increases than the bond prices will increase when interest rate decreases. O a. Only 2 is correct. O b. Only 1 and 2 are correct. O c. Only 1 is correct O d. Only 1 and 3 are correct. O e. Only 2 and 3 are correct