Exercise 15-10 For a recent 2-year period, the balance sheet of Splish Company showed the following stockholders' equity data at December 31 (in millions). 2016 Additional paid-in capital Common stock Retained earnings Treasury stock Total stockholders' equity 2017 $ 970 550 7,160 1,739 $6,941 $ 831 545 5,290 868 $5,798 Common stock shares issued Common stock shares authorized Treasury stock shares (a) Answer the following questions. (1) What is the par value of the common stock? (Round par value to 2 decimal places, e.g. $3.15.) Par value of common stocks (2) What is the cost per share of treasury stock at December 31, 2017, and at December 31, 2016? December 31, 2017 December 31, 2016 Cost per share of Treasury stock