4. The Snake's Dungeon, a company that sells video games and related items, had the following account balances at the end of December 2020: Cost of goods sold Common shares Advertising expense Equipment Depreciation expense Dividends declared Accounts payable Inventory Wages expense Sales revenue Accounts receivable Rent expense Cash Prepaid rent Wages payable Retained earnings (as at December 31, 2019) $105,000 36,000 8,000 13,000 4,000 5,000 13,000 30,000 27,000 192,000 17,000 14,000 42,000 3,000 4,000 23,000 a. Prepare, in good format, a statement of income for the year ended December 31, 2020. b. Prepare, in good format, a statement of financial position as at December 31, 2020