How much is an egg in the USA?

Could you elaborate on the factors that contribute to the price of an egg in the USA? Is there a standard price across the country, or does it vary by region? How does the demand for eggs influence their pricing? Are there any seasonal trends or external factors, such as weather conditions or feed prices, that significantly impact the cost of an egg? Furthermore, what is the current average price range for an egg in the USA, and how does it compare to prices in other countries?