23. The following excerpt is from an article by Shah Gilani, "Exchange-Rate Risk: The Unseen Enemy of U.S. Investors," Money Morning, September 29, 2010 (http:// moneymorning.com/2010/09/29/exchange-rate-risk): In today's multinational corporations, managing foreign-currency exposure has evolved into one of the key responsibilities of the chief financial officer (CFO). Former Microsoft Corp. (Nasdaq: MSFT) CFO John Conners recently lamented that foreign-currency management is one of the most-difficult and least-understood jobs in finance. If CFOs struggle with currency exposure, we're all in trouble. What can the CFO do to deal with foreign exchange risk