Determine the term- Component Cost and Composite Cost

A company may contemplate to raise desired amount of funds by different sources comprising preferred stock, debentures and common stocks. These sources constitute components of funds. Each of these components of funds includes cost to the company. Cost of every component of funds is designated as component or specific cost of capital. When these component costs are combined to conclude the overall cost of capital, it is considered as composite cost of capital, combined cost of capital or weighted cost of capital, composite cost of capital, so, represents the average of costs of each sources of funds employed by company.