Answer:
has a unique brand, size, or price.
Explanation:
A product item refers to a specific product that: has a unique brand, size, or price.
A product item is not a product line which is the entire product category or industry. A product line is a group of closely related products offered by an organization. An organization's product mix includes all the products it sells.
A product item is a specific version of a product that can be designated as a distinct offering among an organization's products.
