What does AT mean on a receipt?

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Tags

1. #received
2. #popularity
3. #somewhat
4. #service
5. #receipt
6. #given
7. #paper
8. #there
9. #exchange
10. #merchant
11. #meaning
12. #years
13. #money
14. #however
15. #stating
16. #gaining
17. #different
18. #bought