15. The next question deals with the December 31, 2019 Balance Sheet of Horan Industries. Horan industries began 2019 with $30,000 in inventory. In 2019, its inventory purchases amounted to $50,000, and it had no inventory-related write-downs or losses. What amount did Horan record as their cost of goods sold expense in 2019? $30,000$40,000$50,000$60,000