Wildhorse Hand Trucks has a preferred share issue outstanding that pays a dividend of $1.30 per year. The current cost of preferred equity for Wildhorse is 10.50 percent. If Wildhorse issues additional preferred shares that pay exactly the same dividend and the investment banker retains 7.50 percent of the sale price.

What is the cost of the new preferred shares for Wildhorse? (Round intermediate calculations to 4 decimal places, e.g. 1.2514 and final answer to 2 decimal places, e.g. 15.25%.)

Cost of new preferred shares for Wildhorse: %