“OPPORTUNITY COST IN EVERYDAY ECONOMIC DECISIONS Every choice carries a hidden price. Understanding what we silently give up may be the most practical economic lesson of all”. (2026) ZAMONAVIY TARAQQIYOT VA FAN: 21-ASR YONDASHUVLARI, 7(3), pp. 41–52. Available at: https://conferns.com/index.php/ztf/article/view/772 (Accessed: 1 August 2026).