Leo, who is married but files separately, earns $80,000 of taxable income. He has $15,000 in city of Tulsa bonds. His wife, Theresa, earns $50,000 of taxable income.

How much money would Leo and Theresa save if they file jointly instead of separately for 2019?

a) nothing

b) $103.50

c) $309.75

d) $5,932.50

e) none of the choices are correct.

My answer came out to $4,544

Can you check to see if this is correct?