Which of the Following Best Describes the Components of the Weighted

Which of the following best describes the components of the weighted average cost of capital (WACC) ?

A) The component costs of capital are market-determined variables in the sense that they are based on investors' required returns.
B) The component costs of capital are not market-determined variables in the sense that they are based on investors' required returns.
C) The component costs of capital are market-determined variables in the sense that they are based on investors' past required rates of return.
D) The component costs of capital are not market-determined variables in the sense that they are based on investors' past required rates of return.c.