Below are some interesting commentaries on inflation and the CPI. They should be read in conjunction with the notes on the Skydrive. As well as this you should begin thinking about, and researching, the Keynesian and Monetarist debate.
What is inflation? What was happening in June? August? Is food inflation regressive? What is the difference between the CPI and the RPI? How many inflation indexes are there? Again, is inflation regressive?