Scenario - the Gayla Corporation

Scenario - The Gayla Corporation
The Gayla Corporation is a multinational business that conducts operations in twelve foreign markets.This multi-million dollar organization is very familiar with currency exchanges and has considerable understanding when it comes to the risks associated with operating in the global market arena.The Gayla Corporation claims it would not be as successful without the expertise of the financial wizards that work for it.The company has not lost money so far and plans to stay that way.
-The financial experts of the Gayla Corporation are very much aware of the organization's cost of debt.Which of the following best identifies what cost of debt means to the corporation?

A) Futures contracts in which gains are earned at the end of each trading day
B) Ways in which long-term exchange rate movements affect firms
C) Sum of the cost of capital and the cost of equity
D) The required rate of return by stockholders in a firm that is estimated by means of CAPM
E) Weighted average of different interest rates paid on long-term borrowings