Step 1: Concept of types of goodwill.
Goodwill has been categorized in various descriptive forms to indicate its nature and stability.
Step 2: Explanation of each.
- Rat Goodwill: Very unstable, can disappear quickly if conditions change.
- Cat Goodwill: Local goodwill, limited to a particular area; like a cat attached to a home, it does not move easily.
- Dog Goodwill: Stable and loyal, customers remain attached to the business for long, like the loyalty of a dog.
Step 3: Conclude.
Since all three (rat, cat, and dog goodwill) are recognized types, the correct answer is “All of these”.
Final Answer:
\[
\boxed{\text{All of these}}
\]