Dentist has Questions about Quarterly Taxes

I’m a new graduate and this is my first time sending in my quarterly taxes. I started working Sept 2011 and my IE income for 2011 (Sept 2011-Dec 2011) is around $25K. How much percent of $25K should I send in for my Jan 2012 quarterly tax stub? 30%? 33%? I don’t have a CPA…Read More→