having trouble completing this assighment. someone help ? thank you in advance .

During 2015, a company sells 220 units of inventory. The company has the following inventory purchase transactions for 2018 (6 points) Date Transaction Number of Units Unit Cost Total Cost Jan. 1 Beginning inventory 115 $60 $0900 Sep 8 Purchase 210 62 13020 Nov 18 Purchase 6375 4101 $26.295 Calculate cost of goods sold and ending inventory for 2015 Specific ID Sold all of beginning inventory, 25 from Nov 18 purchase, and the rest out of Sep 8 purchase. FIFO LIFO AVERAGE COST BONUS QUESTION: At 1/1/2019 the allowance had a debit balance of 5600. Jackson Inc. wrote off $23.000 of customer accounts on Jun5, 2019. Customers repaid Johnson 10,500 of the accounts that were written off on August 20, 2019. At 12/31/2019 AR was 250,000 and estimated amount uncollectible was 15%. Jackson uses the allowance method for write offs. (3 points total) Given the above answer the following questions 1. What was the balance in the allowance account before adjustment( debitor credit) 2. What is bad debt expense at 12/31/2019? 3. What is the ending balance in the allowance account at 12/31/2019