1 Robot: Just put the rat in the box here.
2 Paris: How will we know it's travelled through time safely?
3 Robot: I could fit it with a cybernetic eye, and you can view what it sees on the monitor.
4 Iki Piki: You can do that?
4 Robot: 3,000 credits. Strictly for parts and labour.

"Parts and labour." There may be few more feared phrases in the English language.

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2021-02-28 Rerun commentary: In hindsight, I'm not sure what else the robot could reasonably charge for besides parts and labour.

It says, "Strictly for parts and labour," to make it sound like there are other things it could charge for, and that you would normally expect to pay, but it's generously providing them for free. Only on second thought, you realise... actually there isn't anything else that you'd expect to pay for.

What a salesbot!!