Marco traveled across three states to shop at Tiffany's to buy his girlfriend, Jana, a present. This is the only Tiffany's store in the entire region. The degree of channel coverage for Tiffany's is:

Exclusive.

Explanation:

In this scenario, Marco traveled across three states to shop at Tiffany's to buy his girlfriend, Jana, a present. This is the only Tiffany's store in the entire region. The degree of channel coverage for Tiffany's is exclusive.

In marketing, there are basically three (3) types of market channel coverage used by businesses;

1. Intensive market coverage: this involves a company extending its products to as many sales outlets as possible. Therefore, it's a saturation coverage of the market. Some examples are softdrinks, beer, or cigarettes company.

2. Selective market coverage: it involves a company using a limited number of sales outlets to sell its products in a region. Thus, it lie between an intensive distribution and exclusive market coverage.

3. Exclusive market coverage: this involves a company extending its products to only one sales outlets. Thus, it is the exact opposite of an intensive market coverage and a complex form of selective market coverage. It gives companies prestige and improves brand quality perceptions.

Hence, the degree of channel coverage for Tiffany store is exclusive market coverage.