Compare the cost of capital concept with the idea of the required return on a stock investment

Question:

Compare the concept with the idea of the required return on a stock investment made by an individual. Relate both ideas to the risk of the investment. How would a very risky investment/project be handled in the capital budgeting/cost of capital context?

Cost Of Capital
Cost of capital refers to the opportunity cost of making a specific investment . Cost of capital (COC) is the rate of return that a firm must earn on its project investments to maintain its market value and attract funds. COC is the required rate of...