Pope's Garage had the following accounts and amounts in its financial statements on December 31, 2019. Assume that all balance sheet items reflect account balances at December 31, 2019, and that all income statement items reflect activities that occurred during the year then ended. Accounts receivable Depreciation expense Land Cost of goods sold $ 99,000 36,000 81,000 270,000 Retained earnings 177,000 Cash 27,000 Equipment 213,000 Supplies 18,000 Accounts payable 69,000 Service revenue 60,000 Interest expense 12,000 Common stock 30,000 Income tax expense 36,000 Accumulated depreciation 135,000 Long-term debt 120,000 Supplies expense 42,000 Merchandise inventory 93,000 Net sales 420,000 Required: a. Calculate the total current assets at December 31, 2019. b. Calculate the total liabilities and stockholders' equity at December 31, 2019. c. Calculate the earnings from operations (operating income) for the year ended December 31, 2019. d. Calculate the net income (or loss) for the year ended December 31, 2019. e. What was the average income tax rate for Pope's Garage for 2019? f. If $48,000 of dividends had been declared and paid during the year, what was the January 1, 2019, balance of retained earnings?