The excerpt below is derived from the article "Wealth" by Andrew Carnegie. Use the excerpt to answer the following questions.
...This, then, is held to be the duty of the man of Wealth: First, to set an example of modest, unostentatious living, shunning display or extravagance; to provide moderately for the legitimate wants of those dependent upon him; and after doing so to consider all surplus revenues which come to him simply as trust funds, which he is called upon to administer, and strictly bound as a matter of duty to administer in the manner which, in his judgment, is best calculated to produce the most beneficial results for the community....
—North American Review, June 1889
How did Andrew Carnegie carry out the ideas expressed in this excerpt?
by funding numerous libraries and educational institutions
by serving many years in the federal government
by investing his fortune in several new industries
by promoting programs to benefit the wealthy