Around the World in 80 Days: Makes (No) Sense

To the untrained eye, the pears seem to be the same, they look the same and lie right next to each other in the shop. Yet one costs 36 and the other 39Argentine Peso per kilo. Asked whether this was correct, the shop assistant nodded. Sadly my Spanish was not good enough to understand the rationale...

Here, once again two seemingly identical goods have different prices in the same shop: One Inca Kola costs 2 Peruvian Sol, the other one only 1.50 Peruvian Sol. But here there is a very good reason for the difference in prices in the same shop: One is chilled and the other one is not!