[10] If Mary's nominal income rises by 4%, while her real income fell by 2%, what happens to the level of prices? Group of answer choices Prices remain constant Prices increase by 6% Prices decrease by 6% Price increase by 2%[10] If Mary's nominal income rises by 4%, while her real income fell by 2%, what happens to the level of prices? Group of answer choices Prices remain constant Prices increase by 6% Prices decrease by 6% Price increase by 2%