A Disposable Camera Cost $12 in Canada and 100 Pesos

A disposable camera cost $12 in Canada and 100 pesos in Mexico,during the summer of 2002.The exchange rate at that time was 5.5 pesos per dollar.The real exchange rate of the dollar (for disposable cameras) was

A) 9.5.
B) 0.66.
C) 0.84.
D) 92.6.
E) 0.105.