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

Project	Cost		Expected Rate of Return
1	$2,000		16.00%
2	3,000		15.00
3	5,000		13.75
4	2,000		12.50

The company estimates that it can issue debt at a rate of r_d = 9%, and its tax rate is 25%. It can issue preferred stock that pays a constant dividend of $5.00 per year at $49.00 per share. Also, its common stock currently sells for $35.00 per share; the next expected dividend, D₁, is $3.75; and the dividend is expected to grow at a constant rate of 6% per year. The target capital structure consists of 75% common stock, 15% debt, and 10% preferred stock.

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

Cost of debt: __%

Cost of preferred stock: __%

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

__%

c. Project L requires an initial outlay at t = 0 of $55,000, its expected cash inflows are $13,000 per year for 9 years, and its WACC is 11%. What is the project's MIRR? Do not round intermediate calculations. Round your answer to two decimal places.

__%

d. Project L requires an initial outlay at t = 0 of $53,000, its expected cash inflows are $15,000 per year for 8 years, and its WACC is 10%. What is the project's payback? Round your answer to two decimal places.

___years