I've created a simple product catalog using views and relationships... however I cannot seem to find a field for quantity. I've made a table using the "commerce product" relationship with fields like product image, price, title, description and Add to Cart. I would like to add the quantity field but can't seem to find it in any relationship. I may be overlooking the field as I am somewhat new to Drupal. Any help would be appreciated. I'd like for customers to add one or more of the same product to the cart directly from a table that list all the products (the catalog). Thanks