Look at your Form 1040. What is the total tax on Line 24? Do you have other amounts entered on Lines 17 thru 23?
You can view your Form 1040 plus Schedules 1, 2 and 3 at any time using the online editions. Click on Tax Tools on the left side of the online program screen. Click on Tools. Click on View Tax Summary. Click on Preview my 1040 on the left side of the screen.
