27. Amyjo Perez owns a pet store specializing m reptiles which is her only source of income. She signified her intention to be taxed at 8% of gross sales in her 1st Quarterly ITR of the taxable year. Her sales, cost of sales, and operating expenses for the 4 quarters are as follows: 1 st Quarter 2nd Quarter 3rd Quarter 4th Quarter Sales 400,000 600,000 2,000,000 3,500,000 Cost of Sales (100,000) (200,000) (600,000) (800,000) Gross Income 300,000 400,000 1,400,000 2,700,000 Operating Expenses (170,000) (190,000) (500,000) (820.000) Net Income 130,000 210,000 900,000 1 880.000 Compute her income tax payable in her ist, 2nd, 3rd Quarterly ITRs and in her Annual ITR. 1 Quarterly ITR 2nd Quarterly ITR 3 d Quarterly ITR 4th Quarterly ITR A. 12,000 48,000 160,000 628,400 B. 12,000 48,000 150,000 638,400 C. 12,000 60,000 78,000 638,560 D. None of the above