Answer: d. lowered
Explanation:
Inflation refers to the general increase in the prices of goods and services in a country. Inflation erodes the value of money making it regressively weaker as time goes on.
Real wages have been adjusted for the influence of inflation so that a better comparison can be made over the years and what has been seen is that inflation has lowered the wages of most workers in the U.S. compared to their peers several years ago.