Tax on Banking Cash Transactions (withdrawals) over a certain threshold in a single day was introduced in the Union Budget of which year?
Given the following data :
Year2004−052005−062006−072007−082008−092009−102010−112011−12WPI(2004−05)121.6127.2132.8140.7145.7155.7161.3166.8
Calculate the inflation rate.