Darryl and Ted are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of shiny wrapping paper. Darryl sold 6 roles of plain wrapping paper and 14 rolls of shiny wrapping paper for a total of $238. Ted sold 11 rolls of plain wrapping paper and 6 rolls of shiny wrapping paper for a total of $161. Find the cost of each of one roll of plain wrapping paper and one roll of shiny wrapping paper.