Store Manager: "I saw you arguing"

[Bad Karma]

Store Manager: "I saw you arguing with that customer who just left. I told you before that the customer is always right. Do you understand me?"
Salesclerk: "Yes, sir. The customer is always right."
Store Manager: "That's better. Now what were you arguing with the customer about?"
Salesclerk: "Well, sir, he said you were an idiot.