Your firm is planning to invest in an automated packaging plant. You find a comparable firm, Thurbinar Design, which is engaged in a similar line of business. Thurbinar has a stock price of $16 per share, with 14 million shares outstanding. It also has 125 million in outstanding debt, with a yield on the debt of 4.4%. Thurbinar's equity beta is 1. The risk-free rate is 5%, and the expected return on the market portfolio is 11%. Thurbinar's unlevered cost of capital is _______%. (Please write percentage as a number with two decimal places, no "%" sign. e.g. write "12.34%" as "12.34")