In Data Exploration Problem 1, you saw the impact of inflation in the U.S. on short-term U.S. Treasury bill rates. Now examine similar data for Brazil.
a. Plot the Brazilian Treasury bill rate (FRED code: INTGSTBRM193N). The range of values and compare them with the range in the U.S. Treasury bill plot from Data Exploration Problem 1.
b. Plot the inflation rate based on the percent change from a year ago of the Brazilian consumer price index (FRED code: BRACPIALLMINMEI). Comment on the inflation rate in Brazil. Download the data to a spreadsheet (You may need to widen the spreadsheet column to see the data.) What happens to the index in the 1990–1994 period?