A money market security that has a par value of $10,000 sells for $8,924.70. Given that the security has a maturity of two years, what is the investor's required rate of return?

In the fall of 2008, aig, the largest insurance company in the world at the time, was at risk of defaulting due to the severity of the global financial crisis. as a result, the u.s. government stepped in to support aig with large capital injections and an ownership stake. how would this affect, if at all, the yield and risk premium on aig corporate debt?