Which of the Following Describes the Five-Year Swap Rate

Which of the following describes the five-year swap rate?

A) The rate on a five-year loan to a AA-rated company
B) The rate on a five-year loan to an A-rated company
C) The rate that can be earned over five years from a series of short-term loans to AA-rated companies
D) The rate that can be earned over five years from a series of short-term loans to A-rated companies