Russell: It still runs fine.
Rodney: Looks good too.
Russell: But it’ll cost several thousand to make repairs to pass the fitness test.
Rodney: And for the same money you could get a newer one in good nick?
Russell: Exactly. It costs more to fix than it’s worth.
Rodney: It’s reached the end of its economic life, then.
Russell: Pity. I was rather attached to it.
Rodney: Sentiment. It’s just a machine. It’s not sentient.
________
Voice-over
An economic life, or useful life is at its end when repair is more expensive than replacement. For a machine, that is.
