Other contributors have said "The cost of capital?" is the same question as "What is the concept of marginal cost of capital?" If you believe that these are not asking the same thing and should be answered differently, click here
The marginal cost of capital (MCC) is the cost of the last dollar of capital raised, essentially the cost of another unit of capital raised. As more capital is raised, the marginal cost of capital rises.
Depending on the capital: i.e. Let's say the capital is a product of your firm such as hammers. To determine the marginal cost, you have to figure out how much it costs to produce 1 unit (or hammer)....
interest rate and risk are the only two factors involved in your question. if money is tight, then people are gonna charge you more to use it-hence increase in interest. also if the economy is...
WACC is the total average cost of capital to company which is calculated by taking into account the weights of all type of capital existed at a particular date in the capital structure of the company...