In its 2018 fiscal year, the data storage company, NetApp Inc., reported that it had 250036741 shares of common stock outstanding, trading at a price of about $93 per share. On the firm's balance sheet, the value of common stock equity was reported as $1802835788. NetApp's market book ratio was O a. 85.79 O b.7.21 O c. 250036834.00 O d. 12.90