Which Is the Best Explanation for Why Standard of Living

Multiple Choice

Which is the best explanation for why standard of living only increases through productivity?

A) The more goods that are available,the lower prices will be.
B) More goods are available without having to add resources.
C) Productivity increases the money supply in an economy.
D) Purchasing power increases when there is more consumer choice.
E) Prices are determined by the standard of living.