How is a free-market economy different from a mixed economy? a. a free-market economy depends on individuals and businesses, whereas a mixed economy involves the government, too. b. a free-market economy depends on individuals and family units, whereas a mixed economy involves only the government. c. a free-market economy depends on a combination of government and businesses, whereas a mixed economy involves individuals, too. d. a free-market economy depends largely on the government, whereas a mixed economy involves individuals and businesses, too.