In a purely capitalist system, the economy is regulated by self-interest and a. law of supply and demand. c. sellers. b. tax incentives. d. corporations.

The correctanswer is A. the law of supply and demand. If something is needed somebody will make it and it will sell. If things aren't needed people won't be making them. This is basically what the law of supply and demand is and it works in pretty much all economy types so as to preserve resources.

Each mans success depends on his own hard work