I need help on 5,6,7,8

The following income statement and balance sheets for Laser World are provided: LASER WORLD Income Statement For the year-ended December 31, 2821 Sales revenue $2,200,000 Cost of goods sold 1,500,000 Gross profit 700,000 Expenses: Operating expenses 350,000 Depreciation expense 70,000 Loss on sale of land 5,000 Interest expense 25,000 Income tax expense 60,000 Total expenses 510,000 Net income $ 190,000 LASER WORLD Balance Sheets December 31 2021 2020 $120, eee 90,000 120,000 10,000 $112,800 70,000 180,000 10, eee Assets Current assets: Cash Accounts receivable Inventory Prepaid rent Long-term assets: Land Equipment Accumulated depreciation Total assets Liabilities and Stockholders' Equity Current liabilities: Accounts payable Interest payable Income tax payable Long-term liabilities: Notes payable Stockholders' equity: Common stock Retained earnings Total liabilities and equity 260,00 350,000 (70,000) $880,000 200.000 210,000 (42,000) $660,000 $ 55,000 8,000 15, eee $75,000 7,000 12,000 400,000 380,00 200,eee 202.000 5880,000 200, 56.ee $660,000