Aubergine Ltd. currently owns 12% of the outstanding common shares of Benz Ltd. Borchoi Ltd. and Brink Ltd. respectively own 52% and 23% of the outstanding common shares of Benz Ltd with remaining shares held by miscellaneous smaller shareholders. Benz Ltd. has had several years of large losses. What is the minimum percentage of additional common shares of Benz Ltd. that Aubergine Ltd. must purchase in order that there be an acquisition of control? (Enter in whole numbers; do not type the % sign)