Answer: The minimum rate of return on investments.
Explanation:
The cost of capital simply refers to the particular rate of return that a certain company expects to get from a certain investment that it does.
The cost of capital is the minimum rate of return which must be earned by a certain business before the generation of value.
The cost of capital therefore is the minimum rate of return on investments. It is the return which a company is expected to pay both the creditors and also the investors.