With its shares trading at $100 in September 2016, the market capitalization of Shell's common equity was $173.97 billion. Shell listed S 17 billion of debt on its most recent balance sheet a. How many common shares were outstanding? b. What value was the market placing on Shell's enterprise value (the value of the firm)? C. Shell listed 220 million shares in treasury stock on its balance sheet. How many issues shares were there? Select one: a. Outstanding shares= $ 739 m Ent Value=S100.97b, Shares reissuod=$1059m b. Outstanding sharos= $ 17390 m Ent Value=S1900.97b, Sharos reissuod=519590m c. Outstanding shares= $ 179 m. Ent Valuo= $10.97b, Sharos reissued=519m d. Outstanding shares=S 1739 m. Ent Valuo= 190.976, Sharos reissued=51959m