Interpreting the Income Tax Expense Footnote The income tax footnote to the financial statements of FedEx Corporation follows. The components of the provision for income taxes for the years ended May 31 were as follows: a. What is the amount of income tax expense reported in FedEx's 2013, 2012, and 2011 income statements? b. What percentage of total tax expense is currently payable in each year? c. One possible reason for the $968 million deferred tax expense in 2012 is that deferred tax liabilities increased during that year. Provide an example that gives rise to an increase in the deferred tax liability