Help with one question. That is required return on the paragraph listed. I was able to get all the other questions, but for some reason I am having trouble with this question.

Green Manufacturing, INC., plans to announce that it will issues $1.93 million of perpetual debt and use the proceeds to repurchase common stock. The bonds will sell at par with a coupon rate of 5 percent. Green is currently an all equity firm worth $5.08 million with 330,000 shares of common stock outstanding. After the sale of the bonds. Green will maintain the new capital structure indefinitely. Green currently generates annual pretax earnings of $1.43 million. This level of earnings is expected to remain constant in perpetuity. Green is subject to a corporate tax rate of 35 percent. Expected return is 18.30 % Price per share is 15.40 New Share price 17.44 Shares repurchased 110665.14 New Shares outstanding 219334.86 What is the required return on Green's equity after the restructuring? Required Return