Summary Based on your understanding of the concept of cost of capital, which of the following statements are valid? Check all that apply Companies often finance their new projects with capital that comes from retained earnings. This also constitutes investor-supplied capital. Preferred stock is not taken into account when considering the costs related to investor-supplied capital Companies are financed by several sources of investor supplied capital, which are called capital components Short-term debt such as accounts payable or short-term loans are not considered capital components