please show COMPLETE SOLUTION in every answer .

1. Certain information relative to the 2016 operation of company follow: Accounts receivable, Jan 1,2016 8.000 Accounts receivable collected during 2016 26,000 Cash sales during 2016 5,000 Purchase inventory during 2016 20,000 Inventory, Jan 1,2016 12,000 Inventory, Dec 31,2016 11,000 Gross profit on sales 9,000 Neji company's account receivable balance on December 31,2016 is? 17,000 b. 7,000 12,000 d. 3,000 2. ECG Company recorded two sales on March 1 of $20,000 and $30,000 under credit terms of 3/10, n/30 Payment for the $20,000 sale was received on March 11. Payment for the $30,000 sale was received on March 15. Under the following methods, sales in the march 2016 income statement are Gross Method Net Method a. 49,400; 48,500 b. 48,500; 48,500 48,500: 49,500 d. 49,400; 49,400