Ariel’s Income Computation:Base Salary: ₱10,000Commission: 10% of ₱80,000 = ₱8,000Gross Income: ₱10,000 + ₱8,000 = ₱18,000Kung mag-estimate ng deduction (hal. 10% tax at SSS): ₱1,800Net Income: ₱18,000 − ₱1,800 = ₱16,200Job A:Salary ₱25,000 + ₱3,000 allowance = ₱28,000Less 10% deduction ₱2,800 → Net: ₱25,200Job B:Salary ₱28,000Less 10% deduction ₱2,800 → Net: ₱25,200