1. One Of the largest single innuenees on the level Of interest rates is inflation There area number of Sites that report inflation over time. Go to txt and review the data available. Note that the last columns report various averages. Move these data into an Excel spreadsheet using the method in Chapter I. What hus the average rate of inflation been since 1950, 1960, 1970, 1980, and 1990? What year had the lowest level of inflation? What year had the highest level of inflation?