10. (2 points) Although cash/accrual problems were covered in chapter 3, the thought process" of completing the conversions will help you complete the operating section of a SCF. X Company's financial records showed the following during 2020: $744,000 Office rental revenues expense $135,000 Advertising The following were taken from X's balance sheets: 12-31-20 12-31-12 Office rental receivables $39,000 $30,000 Prepaid advertising 17,000 10,000 Prepaid rent 9,000 15,000 Advertising payable 8,000 4,000 Unearned office rent 3,000 5,000 a. What were office rental receipts during 2020? b. What were advertising-related payments during 2020