In Which of the Following Situations Will an Individual's Purchasing

Multiple Choice

In which of the following situations will an individual's purchasing power be unaffected?

A) money income doubles and the prices of all goods and services are cut in half
B) money income remains constant and the prices of all goods and services double
C) money income is cut in half and the prices of all goods and services double
D) money income is cut in half and the prices of all goods and services remains constant
E) money income doubles and the prices of all goods and services double