17 Which of the following is a component of the cost of goods sold formula? A Beginning inventory B Gross purchases C Ending inventory D Returns E Purchase discounts lost Fa, b and c G a, b, c and d H a, b, c, d and e HBG Company purchases 80,000 pounds of sand for $150.000 before any discounts and receives a volume discount of $5.000. It later returns 20,000 pounds because the granules are too fine for its siicon-based products. After these transactions, what is the balance in the inventory account under the perpetual method of inventory recordkeeping? 18 When calculating the answer, round cost per unit to two decimal points (eg, 15.15). $112,500 C $109,750 D $13,500