Joining a one-to-many relationship

[bmac27]

I have this table of products and their associated representative

I also have a fact table with the fields Order, Date, Product, and Sales.

I want to find a way to join the reps associated with each product in the fact table--however I do not know what the best practice is for this since there are multiple reps assigned to a single product.

[bmac27]

Here's an example of what a row in the fact table looks like