Answer:
retirement savings contributions credit = $180
Step-by-step explanation:
given data
AGI = $48,000
contributed amount = $1,800
solution
we know Married taxpayer will file separate returns and they still qualify for the credit
so here retirement savings contributions credit will be 10 % of contributed amount so it will be
retirement savings contributions credit = 10% of $1,800
retirement savings contributions credit = 0.10 × $1,800
retirement savings contributions credit = $180