Excel Onlne Structured Activity: wACC and optimal capital budget Adamson Corporation is considering four averagerisk projects with the following costs and rates of return: required analysis to answer the questions below. Dpen spreadsheet a. What is the cost of each of the capital components? Round your answers to two decimal piaces. Do not round your intermedate calculations, Cost of debt Cost of preferred stock Cost of retained earnings b. What is Adamson's WACC? Round your anawer to two decimal places, Do not round your intermediate calculations. c. Only projects with expected returns that exceed WACC will be accepted. Which projects should Adamson accept