Following is the stockholders' equity section of the 2015 Tiffany \& Co. balance sheet. First, for your own practice, use the information to demonstrate (to yourself) the computation of the $1,788 (in millions) reflected in the common stock account and determine how many common shares are outstanding as of December 31,2015. Now (to answer this question), at what average cost was the treasury stock purchased? Note: Round to two decimol places. This answer space will not allow you to enter any symbols (i.e., S)