“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”. ZAMONAVIY TARAQQIYOT VA FAN: 21-ASR YONDASHUVLARI, vol. 7, no. 3, May 2026, pp. 41-52, https://conferns.com/index.php/ztf/article/view/772.