Draw the data model for the following. Be sure to indicate the primary key and foreign keys in the model. Use visio,

A firm has discovered that it builds sales by exhibiting its products in trade shows in various countries. It does not always exhibit the same products at every trade show because of the cost of shipping items to some more distant countries. The firm has asked you to keep track of which of its products appeared at particular trade shows. It is important for them to track the name of the product as well as the description. For trade shows they need to know the name of the show, the date it was held, and the location.