Please help with the following questions:

QUESTION 32 Mosa rezidential mortgages in the US. do not have prepayment penalty. If a homeowner refinances to take advantage of Sailing interest rates, the mortgage lender will most likely experience: Extension risk Contraction risk Yield maintenance QUESTION 33 Which of the following is an embedded option that is most likely owned by the issue and benefits the issue when interest rates fall? Call provision Conversion provision Sinking fund provision QUESTION 34 An investor purchases a 9-year, 6% annual coupon payment bond at 97326. After the bond is purchased and before the first coupon is received, interest rate increases to 6.70% The rate then stays the same until the band matures of the investor decides to sell the bond after 3 years, what would be his horizon yield? 5.98% 6,27% 6,40% QUESTION 35 Which of the following option-free bonds is most likely to exhibit the greatest interest rate risk, assuming that the yield curves fa A 51, 20 year bond A6, 18-year bond A 5.5% 15 year bond QUESTION 36 An annual pay bond is priced at 101.50. If its yield to maturity decreases 100 basis points, its price will increase to 105.90; ifis yield to maturity increases 100 basis points, its price will decrease to 97.30. The bond's approximate convexity is dosest to 8.2. 19.7 QUESTION 37 The following forward rates are currently observed in the market: Oyly" 0.00% tyly 1.124 2yty 3.94% Byly" 3.28% The 3-year spot rate is dosest to 1.22% 1.71% 1.94%