Problem 14-31 (Algo) (LO 14-7] Mr. and Mrs. Kigali's AGI (earned income) was $14,710. Their federal income tax withholding was $860. They had no itemized deductions and two dependent children, ages 18 and 19. Required: If Mr. and Mrs. Kigali are entitled to a $4,718 earned income credit, compute their income tax refund. Assume the taxable year is 2020. Use Standard Deduction Table. Tax refund