According to the Spanish Institute of Statistics, 2021 closed with a CPI of 6.5%, one of the highest consumer price indices in the last 29 years. The value had not been as high since May 1992, when the CPI was 6.9%. If we consider that December 2020 closed the year with a CPI of -0.5%, we see that it is 7% higher than the same period of 2021. This increase is mainly due to the rise in electricity prices...