If you chose the standard deduction instead of itemizing, then you did receive favorable tax treatment for filing jointly. Line 9 on your 2019 1040 will tell you if you itemized or took the standard deduction.
Here are the 2019 standard deduction amounts:
Married taxpayers filing a joint return and taxpayers who file as a Qualifying Widow(er): $24,400.
Single and Head of Household taxpayers who are age 65 or older or blind in 2019 get an additional amount of $1,650 added to their standard deduction ($3,300 if both age 65 or older and blind). All other taxpayers age 65+ or blind get an additional amount of $1,300 (married taxpayers where both spouses are age 65 or older and blind qualify for an additional amount of $5,200).
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