A depreciating U.S. dollar is ________________ because it is worth ___________ in terms of other currencies. a) strengthening; more b) weakening; less c) beneficial to importers; more d) a problem for exporters; lessA central bank must be concerned about whether a large and unexpected ___________________________ will drive most of the country's existing banks into bankruptcy. A. exchange rate appreciation B. interest rate increase C. exchange rate depreciation D. increase in foreign investments