A company car <a href=" http://buycialisblack800mg.com/ "></a> A short-term shutdown would slow U.S. economic growth byabout 0.2 percentage points, Goldman Sachs said on Wednesday,and a weeks-long disruption could weigh more heavily, at 0.4percentage points. If Congress fails later this month to raisethe $16.7 trillion borrowing cap, the United States would gointo default, likely sending financial shockwaves around theworld.