Which of the following is not true? a. Economic exposure is the degree to which a firm's present value of future cash flows can be influenced by exchange rate fluctuations. b. Translation exposure is the exposure of an MNC's consolidated financial statements to exchange rate fluctuations. c. Economic exposure includes transaction exposure d. Transaction exposure is the degree to which the value of future cash transactions can be affected by exchange rate fluctuations. e. All of the these choices are true