Which of the following statements about managing operating exposure is TRUE? a. Developing several new lines of business is a very safe and profitable way for a company to combat operating exposure. b. Financial hedging can be used only on a short-term basis. C. A company producing unique products would be less exposed to exchange risk because the demand for such products tends to be highly inelastic. d. If a company's domestic currency is weak, a company would prefer to locate its production sites abroad