Frothy coffee

Any ideas how much a frothy coffee from a machine in work would be please? Standard size, just an ordinary white coffee?

thanks

Depends what milk they're using? If its semi skimmed it'd be 2-3pp. Skimmed 3-4pp and whole 4-5pp.
That's assuming a 200-300ml cup but if you know the size you'll be able to guesstimate better!

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