The answer

Of course, you were right, the ice cream costs 22 Peso and the bottle of Gin 17 pesos.
1 Peso = 2 SEK

When we left home, our luggage was gigantic, yet there were some things that we thought, we can certainly complement them on the way. One thing was paper charts. We have charts in the computers but it's good to have an overview chart of the ocean you are on. To plot the mid-day location and for plotting how high and low pressure centers move. You get a better view, simply. We already tried in Chile and later here in Argentina, but no. Yesterday I met of a Swedish couple in the harbor who had been in Buenos Aires for a few days to buy parts for their engine. I borrowed a chart of the South Atlantic, went to a place that makes copies, and all of a sudden we had a chart. Cheap and almost as good.