This final note on the way out, from the Marketplace Desk of ‘Oh, come on: Can we stop with all this iPhone 5 stuff already?’

There’s a research note out from JP Morgan Chase today about said phone. It figures the thing — which as we all know will be released Wednesday — could add between a quarter and a half a percentage point to fourth-quarter GDP. That’s not nothin’, given that GDP’s probably gonna be around 2 percent or so.

The math goes like this: 8 millon phones, it’s guessing, at $600-a-whack retail. Factor out cost of goods sold, make some adjustment for international trade, and there you go.

Salt. Grain of. Take one.