Referring to WalMart's 2012 annual report:
a. What is the functional currency of their foreign subsidiaries?
b. On average, did the US dollar strengthen or weaken against the currencies of WalMart's subsidiaries from 2010 to 2011? From 2011 to 2012?
c. What is WalMart's hedging strategy and has it been successful in that same time period.
d. What percent of Walmart's income is international?
e. Referring to Bayer AG's annual report which is prepared under IFRS: Compare Bayer's disclosure under IFRS and treatment of foreign currency and derivatives to Walmart's under GAAP. What was the gain or loss due to differences in translation of operations outside the euro zone for 2011? What was the gain or loss from derivate hedging transactions?