For Real Wages to Increase, Which of the Following Is

Multiple Choice

For real wages to increase, which of the following is necessary?

A) An employee's wage increase must be greater than the increase in the CPI.
B) An employee must receive a lump-sum wage increase equal to the increase in the CPI.
C) An employee's wage must simply increase.
D) The CPI must increase at least as much as the employee's wage.