Mark an analyst, analyzes two corporate bonds callable at par and having the same characteristics in terms of maturity, coupon rates, as well as call dates. Bond Bond #1 Bond #2 Price (per 100 of par value) 102.6 105.2 He estimates the option-adjusted spread (OAS) of the two bonds assuming an interest rate volatility of 20%. 1) Which bond is likely to exhibit a higher OAS? Answer: Bond 1 Bond 2 2) If the volatility of interest rates is 25% instead of 20%, the OAS of Bond #1 is likely to Answer: increase decrease