Note 8. Stockholders' Equity Preferred Stock 56 Series B Preferred stock conversions  — During 2014 and 2013, holders of 2,296,802 and 1,417,425 Series B preferred shares  elected to convert those preferred shares into common stock and received  19,517,593 and 11,985,254 common shares. The  common stock issued included shares to satisfy the accrued dividends owed to the converting Series B preferred stockholders.  Based on the market price of Dana common stock on the date of conversion, the fair value of the conversions totaled  $409 and  $249. As of July 2, 2014, the per share closing price of our common stock exceeded  $22.24 for 20 consecutive trading days. As  a result, we exercised our right to cause the conversion of all of the remaining outstanding Series B preferred shares at the  conversion price of $11.93 upon fulfillment of the required  90-day notice period ending September 30, 2014. We caused the  conversion of 1,506,972 Series B shares with holders receiving 12,631,780 common shares valued at $250 based on the market  price of Dana common stock on the date of conversion. Dividends accrued on the Series B preferred shares as of September 30,  2014 were paid in cash in October 2014. Series A Preferred stock redemption  — In August 2013, we paid $474 to redeem our Series A preferred shares, including $3 of  redemption costs. The amount paid exceeded the $242 carrying value of our Series A preferred stock. The $232 redemption  premium was charged directly to accumulated deficit on our balance sheet.The redemption premium is treated like a dividend  on preferred stock and deducted from net income attributable to the parent company in arriving at net income (loss) available to  common stockholders. In October 2014, we filed a certificate of elimination to amend the Restated Certificate of Incorporation to return the  preferred shares that were designated to a series to the status of authorized but unissued shares of preferred stock, without  designation as to series. There were no preferred shares outstanding at  December 31, 2014. Preferred dividends of  $4 were  accrued at December 31, 2013. Issuance and dividends  — We issued 2.5 million shares of our Series A Preferred and 5.4 million shares of our Series B  Preferred on January 31, 2008. The Series A Preferred was sold to Centerbridge Partners, L.P . and certain of its af filiates  (Centerbridge). The Series B Preferred was sold to certain other investors. Our  4.0% Series A Convertible Preferred Stock  ceased accruing daily dividends as a result of redemption in  August 2013. Our 4.0% Series B Convertible Preferred Stock  ceased accruing daily dividends as a result of the conversion of all of the remaining outstanding shares on September 30, 2014.  Supplemental cash flow information  — 2014 2013 2012 Change in working capital: Change in accounts receivable $ (32) $ 12 $ 146 Change in inventories (56) 50 38 Change in accounts payable 66 60 (173) Change in accrued payroll and employee benefits 13 7 8 Change in accrued income taxes (2) (11) 23 Change in other current assets and liabilities (28) (14) (21) Net $ (39) $ 104 $ 21 Cash paid during the period for: Interest $ 122 $ 72 $ 71 Income taxes $ 116 $ 136 $ 98 Non-cash financing activities: Stock compensation plans $ 13 $ 13 $ 15 Conversion of preferred stock into common stock $ 372 $ 139 $ — Conversion of preferred dividends into common stock $ 3 $ 1 $ — Dividends on preferred stock accrued not paid $ — $ 4 $ 8 Per share preferred dividends not paid $ — $ 1.00 $ 1.00