Answer:
C. Rapid rises in price levels made the Zimbabwean dollar near worthless in terms of purchasing power.
Step-by-step explanation:
As in the given situation it is mentioned that 10 year old boy has the bill of billion dollar this represented that the country really printed the bill of billion dollar. It means that the attempt is to be done in order to print a currenct note of higher denomination that also represent that the country would increased such level also at the same time a big amount is required to purchased the goods and services.
Also the high denomination values would not consist of actual value as they have purchasing power i.e. negligible