I strongly recommend using excel to answer the following questions. 1) Here are inflation rates, US Stock market and Treasury bill returns between 2004 and 2009: Year Inflation Stock Market Return T-Bill Return 2004 2.7% 23.6% 4.7% 2005 3.4 -10.9 5.9 2006 1.6 -11.0 3.8 2007 2.4 -20.9 1.7 2008 1.9 31.6 1.0 2009 -0.4 23.45 0.5 a) What was the real return on the stock market in each year? b) What was the average real return c) What was the risk premium (Imkt - rf) in each year? d) What was the average risk premium? e) What was the standard deviation of the risk premium