Notes of wrongdoing

There was two wrongdoing notes, very high technology they have never been caught, one is not careful, done a face value of 15 yuan, the banknotes ... Later, the two decided to put this out using counterfeit. They spent 2 five days to ride the train, it took 10 days sitting car, under the car and went 10 days come to a remote mountain village ... into the village, saw an ice sugar sold to the old man, So they have a mind and stopped to ask, how to sell ice sugar, the old man says five cents a. counterfeit do we have to say two. Thus, their 15 bucks for the very old man. When the old man took the money to find them, two counterfeit done the tears. because the old man had a face value of two of the seven ...