A company that uses the periodic inventory system provided the following information: 1. Beginning inventory $4,000 2. Purchases $120,000 3. Purchase discounts $2, 200 4. Purchase returns and allowances $700 At the end of the period, the company does an inventory count and finds $17,000 worth of inventory on hand. What is the amount of cost of goods sold? A. $104, 100 B. $138, 100 C. $117, 100 D. $121, 100