Final answer:
Whataburger launched the ATF's in September 2018.
Step-by-step explanation:
The question is about the launch of a product called ATF by Whataburger. Whataburger is a fast food restaurant chain primarily located in the southern United States. The launch of a product falls under the subject of business because it involves marketing, product development, and strategic planning. To answer the question, Whataburger launched the ATF's in September 2018.