Assuming that you are the manager of a small public-owned-public-used general aviation airport that is not on the list o

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Assuming that you are the manager of a small
public-owned-public-used general aviation airport that is not on
the list of NPIAS. Your airport plans to update the airfield
navigation system. However, the retained earnings are not enough to
support this capital project. Which of the following airport
financing sources is the most appropriate method for your airport
to raise the project money?
A. AIP
B. state or local government grants
C. earnings from financial investment
D. PFC