m . employee retirement plans 2013 ( continued ) of equities and fixed-income investments , and would be less liquid than financial instruments that trade on public markets . potential events or circumstances that could have a negative effect on estimated fair value include the risks of inadequate diversification and other operating risks . to mitigate these risks , investments are diversified across and within asset classes in support of investment objectives . policies and practices to address operating risks include ongoing manager oversight , plan and asset class investment guidelines and instructions that are communicated to managers , and periodic compliance and audit reviews to ensure adherence to these policies . in addition , the company periodically seeks the input of its independent advisor to ensure the investment policy is appropriate . the company sponsors certain post-retirement benefit plans that provide medical , dental and life insurance coverage for eligible retirees and dependents in the united states based upon age and length of service . the aggregate present value of the unfunded accumulated post-retirement benefit obligation was $ 13 million at both december 31 , 2010 and 2009 . cash flows at december 31 , 2010 , the company expected to contribute approximately $ 30 million to $ 35 million to its qualified defined-benefit pension plans to meet erisa requirements in 2011 . the company also expected to pay benefits of $ 3 million and $ 10 million to participants of its unfunded foreign and non-qualified ( domestic ) defined-benefit pension plans , respectively , in 2011 . at december 31 , 2010 , the benefits expected to be paid in each of the next five years , and in aggregate for the five years thereafter , relating to the company 2019s defined-benefit pension plans , were as follows , in millions : qualified non-qualified .

Table: qualified plans non-qualified plans 2011 $ 38 $ 10 2012 $ 40 $ 11 2013 $ 41 $ 11 2014 $ 41 $ 12 2015 $ 43 $ 12 2016-2020 $ 235 $ 59

n . shareholders 2019 equity in july 2007 , the company 2019s board of directors authorized the repurchase for retirement of up to 50 million shares of the company 2019s common stock in open-market transactions or otherwise . at december 31 , 2010 , the company had remaining authorization to repurchase up to 27 million shares . during 2010 , the company repurchased and retired three million shares of company common stock , for cash aggregating $ 45 million to offset the dilutive impact of the 2010 grant of three million shares of long-term stock awards . the company repurchased and retired two million common shares in 2009 and nine million common shares in 2008 for cash aggregating $ 11 million and $ 160 million in 2009 and 2008 , respectively . on the basis of amounts paid ( declared ) , cash dividends per common share were $ .30 ( $ .30 ) in 2010 , $ .46 ( $ .30 ) in 2009 and $ .925 ( $ .93 ) in 2008 , respectively . in 2009 , the company decreased its quarterly cash dividend to $ .075 per common share from $ .235 per common share . masco corporation notes to consolidated financial statements 2014 ( continued ) .

Question: at december 31 , 2010 what was the percent of the shares remaining authorization to repurchase of the amount authorization by the board in 2007
Answer: 54%
Calculation: divide(27, 50)
Explanation: at december 31 , 2010 54% of the shares were remaining of the amount authorized to repurchase in 2007