Answer:
a.act of buyers and sellers freely and willingly engaging in market transactions- voluntary exchange
B) driving force that encourages people and organizations to improve their material well-being-- profit motive
C) organized way in which a society provides for the wants and needs of its people- economic system
D) extent to which individuals or organizations are better off at the end of an economic exchange than before the exchange-- profit
E) economic system in which people carry on their economic affairs freely but are subject to some government intervention- mixed economy
F) privilege that entitles people to own their possessions--private property rights
G) market economy in which private citizens own the factors of production--capitalism
H) federal program of disability and retirement benefits that covers most working people-- social security
I) economy in which a central authority makes most of the WHAT, HOW, and FOR WHOM decisions-- command economy
J) income that does not increase even if prices go up--fixed income