Dec. 31, 2017 Dec. 31, 2016 Merck & Co., Inc. Stockholders' Equity (s millions) Common stock, $0.50 par value Authorized-6,500,000,000 shares Issued3,577,103,522 shares 2017 and 2016 Other paid-in capital Retained earnings Accumulated other comprehensive loss $1,788 39,902 41,350 (4,910) 78,130 $1,788 39,939 44,133 (5,226) 80,634 Less treasury stock, at cost: 880,491,914 shares in 2017 and 828,372,200 shares in 2016 Total Merck & Co., Inc. Stockholders' equily 40.546 43,794 $34,336 $40.088 a. Explain the derivation of the $1,788 million in the common stock account. Complete the calculation of total amount of shares. Enter share amounts in millions ($3,000,000 = $3). Round share amounts to the nearest whole number. x million shares X $ x million b. Using December 31, 2017 balances, at what average issue price were the Merck common shares issued? Round answer to two decimal places, X c. At what average cost was the Merck treasury stock as of December 31, 2017? Round answer to two decimal places. X d. How many common shares are outstanding as of December 31, 2017? Enter full number - do not convert to millions or round answer. G G X shares