Which of the following currencies ARE involved in affecting the revenues your company receives on shipments of action-cameras and UAV drones to buyers in the four geographic regions where it does business?

a. U.S. dollars, Chinese renminbi, euros, the Brazilian real, and South African rand

b. Euros, Japanese yen, U.S. dollar, Argentine peso, and the Australian dollar

c. The Mexican peso, U.S. dollars, the Japanese yen, euros, and the African real

d. Singapore dollars, euros, U.S. dollars, the Brazilian real, and Taiwan dollars

e. U.S. dollars, Singapore dollars, African rubles, the Brazilian real, and Taiwan dollars