Adamson Corporation is considering four average$-$risk projects with the following costs and rates of return:

Open the spreadsheet and perform the required analysis to answer the questions below.

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Open spreadsheet

a$.$ What is the cost of each of the capital components? Round your answers to two decimal places. Do not round your intermediate calculations.

Cost of debt

$\%$

Cost of preferred stock $8\mathrm{.}89o.\%$

Cost of retained earnings

b$.$ What is Adamson's WACC? Round your answer to two decimal places. Do not round your intermediate calculations.

$16\mathrm{.}47ox\%$

c$.$ Only projects with expected returns that exceed WACC will be accepted. Which projects should Adamson accept?

Project

$1$

Project

$2$

Project

$3$

Project