Homer: Thirteen bucks? Hey, wait a minute. Clerk: That's right.

Related:

• Clerk: Now before we give you health insurance, I have to ask you a few questions.
  Homer: Questions! Questions! My whole scheme down...
• Bart: One `mother' please. Clerk: Wait a minute. How old are you?
  Bart: 21, sir. Clerk: Get in the chair. -- Bart...
• Homer: [spots a nice ring] Wow. I'll take <that> ring.
  Clerk: Yes, sir, and how will you be paying for it...
• Clerk: Dude, karma. Homer: What? Clerk: [pointing at the hat] Karma,
  <karma>. [pause] Homer: [neuter] Oh, I get it....
• Apu (Kwik-E-Mart clerk): "Haven't I seen you on TV somewhere before?" Homer:
  "Nah, you have me confused with Fred Flintstone." ...
• Homer: Give me some quarters... I'm doing my laundry.
  Clerk: Yeah, right. [gives him the quarters] Homer...
• Homer: Eh, what do you mean by `suggested donation'?
  Clerk: Pay any amount you wish, sir. Homer: And uh...
• Homer: Now, here are some of your no-name bands. Sonic Youth?
  Nine Inch Nails? Hullabalooza? Clerk: Hullabalooza...
• There goes the parson, O illustrious spark! And there,
  scarce less illustrious, goes the clerk. -- William...