Match these items. Match the items in the left column to the items in the right column. 1. barter to exchange goods and services, with or without the use of money 2. competitor to trade, or a market where buyers and sellers interact 3. exchange place where buyers and sellers exchange goods and services 4. market to exchange goods and services without the use of money 5. market share willing 6. trade person or group that rivals another 7. value an item's worth 8. voluntary a company's sales divided by the total sales in the industry over a certain period of time