Mother's best corporation is a manufacturer of cooking oil made of corn since 2010. However, for 2018 taxable year, it started its operations as VAT registered (from being VAT exempt). The following were the transactions during the first quarter taken from its books or records: July August September Sales 780,000 640,000 720,000 Purchases: Corn used as raw materials 125,000 160,000 210,000 Supplies and other materials 150,000 175,000 170,000 2 heavy equipment 800,000 4 light equipment 450,000 Beginning Inventory: Supplies and other materials 10,000 from VAT suppliers Supplies and other materials 60,000 from non-VAT suppliers Corn 25,000