Mr. and Mrs. Kigalis AGI (earned income) was $15,210. Their federal income tax withholding was $910. They had no itemized deductions and two dependent children, ages 18 and 19.

Required: If Mr. and Mrs. Kigali are entitled to a $4,728 earned income credit, compute their income tax refund. Assume the taxable year is 2020. Use Standard Deduction Table.