Juan, a self-employed taxpayer, had the following quarterly income details: JULY TO SEPT P550.000 P580,000 Gross Receipts Less: Cost of Service Gross Income Less: Expenses -Business Expenses -Personal Expenses Total Net Income Withholding tax JAN-MARCH P500,000 120.000 P380.000 P100,000 60.000 160.000 P220.000 P4.000 APRIL TO JUNE P520.000 200,000 P320,000 P130.000 63,000 193.000 P127.000 P10,000 OCT-DEC 250,000 270.000 P300,000 P310,000 P120,000 P140,000 58,000 85.000 58,000 85.000 P122,000 P85.000 P15,000 P14.000 Compute his quarterly and annual taxable income and tax due using: A. Itemized Deductions B. Optional Standard Deduction