Robert and John are married and have 4 dependent children and earn a gross biweekly salary of $5,319. They will also make the following tax-deductible purchases: - Medical expenses: $6,574 - Educational expenses: $6,802 When they file their taxes jointly, what will their tax refund be? Use the following information: - Standard deduction for married couples: $25,100 - Biweekly allowance: $165.38 per person For your final answer proceed as: Annual Income Tax to be payed or refunded = Total Annual Withholding - Final Income Tax. If the couple has to pay the government, type the number with a negative sign. For example, 325. If the couple has to receive a refund from government, type the number without sign. For example, 325 . Round your answer to the nearest dollar