If human took steps to reduce the amount of noise pollution in natural areas, what could some possible effects be?

answer; ///i believe that it means; ///you pay no customs duty on the chocolates;

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.