Please help, I'm very confused in this one.

Robcrt and John are married and have 3 dependent children and earn a gross biweckly salary of $6,160. They will also make the following tax-deductible purchases: - Medical expenses: \$6,144 - Educational expenses: \$6,168 When they file their taxes jointly, what will their tax refund be? Use the following information: - Standard deduction for married couples: $25,100 - Biweekly allowances $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. Robcrt and John are married and have 3 dependent children and earn a gross biweckly salary of $6,160. They will also make the following tax-deductible purchases: - Medical expenses: \$6,144 - Educational expenses: \$6,168 When they file their taxes jointly, what will their tax refund be? Use the following information: - Standard deduction for married couples: $25,100 - Biweekly allowances $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