Assume the foreign exchange rate quotes are such that $1 is equal to 1.0428 units of Australian dollars and 0.7572 units of Euros. Also, those quotes can be expressed as Australian dollars 1.0428/$ and Euros 0.7572/$. How many Euros is needed to buy 1 unit of Australian dollar?

a. Euros 0.7262/Australian dollars

b. Australian dollars 6.6262/Euro

c. Australian dollars 1.3771/Euro

d. none of the answers is correct

e. Euros 4.5738/Australian dollar