But you get the price in another currency, and don’t know the exact exchange rate (in place of monitor calibration).

Parent was a joke about the Costco fixed price hotdog.

UK Costco hotdogs are £1.50, which is not equal to $1.50, reflecting both its arbitrary nature and that UK purchasing power is weaker than the exchange rate would appear. (Computer books are a frequent offender here of having the same $ and £ prices)