The Dracon at the counter took a look at the cape, the material, and, truth be told, he adjusted the price to match what he thought he could get out of Jake. Prices were not often posted in Dracon cities, and it was common for people to haggle over the cost of goods, that is, to argue over the price of items until they agreed on a number.
It was not the best system, but it worked. "For you, this cape will cost 5 gold pieces" he replied.