5. (6 points) Zena Company's financial records showed the following selected items for 2020: Advertising receipts $250,000 Rental revenues $500,000 Interest paid on borrowings $ 25,000 Insurance expense $100,000 Zena follows the accrual basis of accounting. The following balances were taken from Zena's balance sheets. 12-31-19 12-31.20 Advertising receivables 28,000 26,000 Prepaid advertising costs 40,000 44,000 Prepaid insurance 28,000 22,000 Interest payable 16,000 24,000 Unearned advertising revenues 45,000 35,000 Unearned rental revenues 17,000 29,000 What were advertising revenues for 2020? What was interest expense for 2020? How much cash was paid out for insurance during 2020? How much cash was collected on rental revenues during 2020? a b. od