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58. Madagascar Company reported the following for the quarter ended September 30, 2021: Sales at P200 Cost of goods sold 5,600,000 2,315,000 On July 1, 10,000 units were on hand at P80.00 unit cost. Purchases for the 3rd quarter follow : Units Unit cost 26-Jul 8,000 84.00 24-Aug 5,000 82.60 6-Sep 7,000 86.00 26-Sep 12,000 85.00 Which inventory method was used by the company? a. Weighted average - perpetual b. Weighted average - periodic c. FIFO - perpetual d. Weighted average, whether perpetual or periodic