Final answer:
Jonathan saved $10,312 in tax by using Schedule A.
Step-by-step explanation:
Step 1: Calculate the tax savings by subtracting the taxable income after deductions from the taxable income before deductions.
Tax savings = Taxable income before deductions - Taxable income after deductions
Tax savings = $63,110 - ($63,110 - $10,312)
Tax savings = $63,110 - $52,798
Tax savings = $10,312
Therefore, Jonathan saved $10,312 in tax by using Schedule A.