We make arbitrary judgement of small numbers, expected numbers, and large numbers. Since the question is about a price, we can discuss small prices, like the cost of food; medium prices, like the cost of a computer; high prices, like the cost of a car, and these are kinds of price. There is no need to have strict definition, or any definition. When I say "what kind of price can we expect?" It says "How much is the price?" When I know that, I know if the price is too expensive, too cheap, or the number I expected.