(ECNS) -- The U.S.-Israeli war on Iran is hitting ordinary Americans in their wallets, with rising gasoline prices, more expensive food, higher mortgage rates, and a surge in fertilizer costs. Linda Bilmes, a former U.S. Department of Commerce chief financial officer, said the conflict could cost as much as $2 billion per day, with total expenditures potentially reaching $1 trillion based on historical comparisons. That's just the tip of the iceberg, Bilmes said. According to World Bank data based on current U.S. dollars, if this amount were converted into a country's GDP, it would rank among the top 20 in the world. It is roughly equivalent to more than twice Iran's GDP. The following comparisons will help people better understand the total war cost. According to the United Nations World Food Programme (WFP), providing assistance to 123 million hungry people in 2025 would require approximately $16.9 billion. By that measure, $1 trillion could sustain the world's hungry population ...