Use the Fisher equation to estimate the real interest rate of the US and plot it along with the 1- Month real interest rate estimated by the Federal Reserve Bank of Cleveland (you may download this time series from FRED). To compute your own estimate, it is OK if you use either the 1-Month or the 3-Month Treasury Bill Market Rate. The only purpose of this question is that you work with the data. On the other hand, you may compute the inflation rate using the monthly Consumer Price Index for All Urban Consumers. Does your estimate roughly follow the Cleveland FED's