Final answer:
The Golden Rule Dairy and Bakery was a famous establishment where Harry Rantz worked. Its exact location is not mentioned, but it operated in different cities before closing down.
Step-by-step explanation:
The Golden Rule Dairy and Bakery was a famous establishment where Harry Rantz worked. Unfortunately, the specific location of the dairy and bakery is not provided in the question. However, it is known that the Golden Rule Dairy and Bakery operated in various cities before it closed down.