Help with question 7 - 10. Could you please include steps? im lost

USE THE FINANCIAL DATA BELOW TO ANSWER QUESTIONS 2-8. Category 2019 2020 Accounts payable 16,200 ???? Accounts receivable 48,600 44,500 Accruals 24,300 16,200 Cash 81,000 98,000 Common Stock 64,800 81,000 COGS 56,700 64,800 Depreciation expense 0 4,300 Gross fixed assets 121,500 145,800 Interest expense 6,400 8,100 Inventories 40,500 60,800 Long-term debt 81,000 89,100 Net fixed assets 101,500 121,500 Notes payable 44,800 37,200 Operating expenses (excluding depreciation) 12,100 16,200 Retained earnings 40,500 60,800 Sales 105,300 121,500 Taxes 4,860 6,480 7. The cash flow from operating activities in 2020 was $ a. 22,180 b. 23,800 c. 25,920 d. 28,100 e. 30,420 a. 8. The cash flow from financing activities in 2020 was $ 10,880 b. 11,530 c. 13,730 d. 15,380 e. 17,330 9. The information below is from CZLs financial statements. CZLs depreciation expense for 2020 was $1,300. Gross fixed assets for 2020 were $ 2020 2019 20,000 15,200 ???? 16,200 Gross fixed assets Net fixed assets a. 22,300 b. 22,400 c. 22,500 d. 22,600 e. 22,700 10. Assume several firms have positive total cash flow. An investor would prefer the firm with positive cash flow from even though the other sources of cash flow are negative. a. operations b. financing c. investing d. insourcing