Optimal capital structure

Jackson Trucking Company is in the process of setting its target capital structure. The CFO believes the optimal debt-to-capital ratio is somewhere between 20% and 50%, and her staff has compiled the following projections for EPS and the stock price at various debt levels:

Debt/Capital Ratio	Projected EPS	Projected Stock Price
20%	$3.20	$33.50
30	3.60	35.75
40	3.75	36.00
50	3.60	32.00

Assuming that the firm uses only debt and common equity, what is Jackson's optimal capital structure? Round your answers to two decimal places.

a.) % debt b.) % equity

At what debt ratio is the company's WACC minimized? Round your answer to two decimal places.

c.) %