Final answer:
The yield spread between the corporate bond and the Treasury bond is 11.25%. If the investor's required rate of return is 11%, they may consider purchasing the Smith Industries bonds.
Step-by-step explanation:
The yield spread between the corporate bond and the Treasury bond can be determined by subtracting the yield of the Treasury bond from the yield of the corporate bond. In this case, the yield on the corporate bond is (1000 - 879.625)/879.625 = 0.1378 or 13.78% and the yield on the Treasury bond is (1000 - 975.42)/975.42 = 0.0253 or 2.53%. Therefore, the yield spread is 13.78% - 2.53% = 11.25%.
Next, to determine whether to purchase the Smith Industries bonds, we need to compare the required rate of return (11%) with the yield on the corporate bond (13.78%). Since the yield on the corporate bond is higher than the required rate of return, it indicates that the bond is offering a higher return than the investor's required rate. Therefore, the investor may consider purchasing the Smith Industries bonds.