Micaela and Jennifer are selling fruit for a school fundraiser. Customers can buy small boxes of grapefruit and large boxes of grapefruit. Micaela sold 6 small boxes of grapefruit and 5 large boxes of grapefruit for a total of $113. Jennifer sold 10 small boxes of grapefruit and 3 large boxes of grapefruit for a total of $119. What is the cost for one small box of grapefruit and one large box of grapefruit?