If the direct quote on the euro is 1. 1846 and the indirect quote on the Chinese yuan is 6. 7690, what is the cross-rate for euros in terms of Chinese yuan
a. €. 1750/¥1
b. €. 5714/¥1
c. €1/¥1
d. €. 1247/¥1
e. €8442/¥1