15\% debt, and 10% preferred stock, a. What is the cost of each of the capital camponents? Do not round intermediate caloulations, Round your answers to two decimal places. Cost de dese Cost of preferred utack: Cost of retained earninpt: b. What is Adamson's wicct Do not round intermediate caiculations. Round your anserer to two decimat places. c. Oly projects with expected returns that exceed whoc will be accented. Which projects should Adamson acorbe? Project 1 Project 2 Project 3 Project 4