Convert the following TV Coverage Area enhanced entity$-$relationship diagram into a well$-$structured relational database:

PK indicates a unique identifier attribute.

Indicate the primary key attribute$($s$)$ of each table with a solid underline.

Indicate the foreign key attribute$($s$)$ of each table with a dashed underline.

Use both a solid underline and a dashed underline to indicate a field that is both a primary key and a foreign key in its table.