Which of the Following Is Not a Characteristic That Indicates

Which of the following is not a characteristic that indicates the existence of hyperinflation?

A) Prices are quoted or regarded in terms of a relatively stable foreign currency.
B) Prices for sales and purchases on credit include an amount for the expected loss of purchasing power during the credit period, even if the period is short.
C) Interest rates, wages, and prices are linked to a price index.
D) The cumulative inflation rate over a three-year period is close to 50% or higher.