Here are the tax brackets for 2015 for married filing jointly.
For earnings between $0.00 and $18,150, you'll pay 10%
For earnings between $18,150.00 and $73,800, you'll pay 15% plus $1,815.00
For earnings between $73,800.00 and $148,850, you'll pay 25% plus $10,162.50
For earnings between $148,850.00 and $226,850, you'll pay 28% plus $28,925.00
For earnings between $226,850.00 and $405,100, you'll pay 33% plus $50,765.00
For earnings between $405,100.00 and $457,000, you'll pay 35% plus $109,587.50
For earnings over $457,000.00, you'll pay 39.6% plus $127,752.50