Ah, thank you. I'd written about 200 words, going round in circles, and still not quite got to the point that you've summed up in 20. I suppose that seeing the

Ah, thank you. I'd written about 200 words, going round in circles, and still not quite got to the point that you've summed up in 20. I suppose that seeing the situation turned around might help convince people of the truth of the maxim that when selling a product, you should set your price according to the value it has to the purchaser, not what it cost you to make...