Copyright Industry

There would seem to be a whole industry around each design to which one sells the copyright. Take my recent magnetometer design, which sold for about (South African) R1 000 a page. But this is basically shuffling money around, since it cost that much to do it. An engineer perfects it, and gets handsomely paid. The publisher prints it. That makes them a lot of money. They sell it to another publisher, who makes a lot of money. Which fuels their advertising. Now the publishers offer the PCB for (South African) R400 each. Say the publishers sell 100 pieces each (I don't know), that's R80 000 in sales. The post office makes R100 each. R20 000. Add component suppliers, who make far larger sales. Say R400 000. Now the couriers come in. A manufacturer might jump in. The Chinese, as they often do, may plagiarise it and sell it all over again. And so on. I would think that my humble R1 000 per page which didn't pay for itself, could easily move half a million rands out there.