Through macroeconomic study, governments and other participants in the economy can more efficiently do all of the following except
a. maintain a free enterprise system in which there exists a social and political commitment to giving people the freedom to compete in the marketplace.
b. keep people just above the poverty threshold, but below self-sufficiency.
c. maintain conditions in which people who want jobs can find them.
d. provide for the public good.

Planning for the future should be as important as planning any aspect in your life. when you retire, you will be faced with a big turning point in your life such as having to deal with your personal growth, your relationship with your family and friends, and finding purpose and happiness in life. you should be prepared not just financially, but emotionally and mentally. make sure that after all the work that you've done for all your life, you find the time to relax and enjoy your retirement with your family, friends, and yourself. 

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