Why is it important to use real rather than nominal gdp figures when making comparisons

why is it important to use real rather than nominal gdp figures when making comparisons of output across time periods? group of answer choices the real gdp figures are a better measure of changes in the general level of prices. the real figures will reflect changes in the quantity of output and not changes in the general level of prices. the real figures will reflect changes in the general level of prices as well as changes in the quantity of output. the real gdp figures adjust for changes in the level of employment.