Vega and Sentra are two countries that both produce chicken and vegetables. In Vega each worker in a one-hour period can produce either 9.05 pounds of chicken or 5.76 pounds of vegetables. In Sentra each worker in a one-hour period can produce either 25.49 pounds of chicken or 8.17  pounds of vegetables. Suppose both countries have constant opportunity cost of production and decide to specialize and exchange. The country that specializes in vegetables is willing to sell 19 pounds of vegetables for at least  pounds of chicken. Enter a numerical value, rounded to two decimal places.