How about 50 to 100 hours of labour at 50 bucks an hour (pension, health care, college found kids, etc) ?

Then of course the investment in the moulds, tooling and premisses need to be recouperated.

Not too mention that some profit has to be made, so slap on an additional 10% to 15% for that.

I think you will find your missing 5000 right there.

But I think we must also hear Marcus when he says this quote was an initial and conservative one.

Wouter