Analyzing and Interpreting Income Tax Footnote The following is an excerpt from Walmart's 2019 Form 10-K A summary of the provision for income taxes is as follows ($ millions): Current: U.S. federal $2,763 493 1,495 4,751 U.S. state and local International Total current tax provision Deferred: U.S. federal U.S. state and local International Total deferred tax expense (benefit) (361) (16) (93) $(470) a. What amount of income tax expense does Walmart report in its income statement for 2019? $ x million b. How much of Walmart's income tax expense was determined from the company's tax returns? $ X million