Conrad and Jill Have a Taxable Income of $63,670

Conrad and Jill have a taxable income of $63,670.They discovered that they can receive a $1,500 tax credit for purchasing an energy -efficient furnace.How will this tax credit affect their taxes?

A) The tax credit will increase their taxable income by $1,500.
B) The tax credit will reduce their taxable income by $1,500.
C) The tax credit is added to the tax owed,not the taxable income.
D) The tax credit is subtracted from the tax owed,not taxable income.