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The 2024 June quarter CPI will be released by the ABS on the 31st of July. In this assignment, you will use the most recently published data to forecast the growth in the CPI from the March quarter to the June quarter. This Gretl data set includes data on the quarter-by-quarter CPI inflation rate from the March quarter of 1978 to the March quarter of 2024 (the latest quarterly figure available). Plot the CPI inflation rate and comment on its time series behaviour. Does it look stationary? Would you expect it to be stationary?