E1 - 40 . Computing Return on Equity Starbucks reports net income for 2015 of $2 757 4 million Its stockholders equity is $5 272 million and $5 818 million for 2014 and 2015 , respectively a Compute its return on equity for 2015 6 . Starbucks repurchased over $1 4 billion of its common stock in 2015 . How did this repurchase affect Starbucks ROE ? C . Why do you think a company like Starbucks repurchases its own stock