Price of commodities in Spain

August 2015, DIA supermarket chain prices:
 * 1 Kg of Salt: 0.24 Euro
 * 1 Kg of Sugar: 0.65 Euro
 * 1 Kg of Wheat flour: 0.45 Euro – 1 Euro
 * 1 Kg of Rice: 0.65 Euro – 1.50 Euro
 * 1 Kg of Beans: 1.70 – 3.75 Euro
 * 1 Kg of Lentil: 1.10 – 3.00 Euro
 * 1 Kg of Chickpea: 0.90 – 2.00 Euro
 * 1 Liter of Milk - 0.60 Euro – 1.50 Euro
 * 1 Liter of Sunflower oil (for cooking) - 1.20 Euro – 1.80 Euro
 * 5 Liters of Sunflower oil - 5.89 Euro
 * 2 Liters of Coca-Cola - 1.40 Euro