Please kindly needy show all calculations, thank you!

2017 2018 BALANCE SHEET: Assets: Cash Accounts Receivable Inventory Other Current Assets Fixed Assets, net Investments $74,181 35,673 4,855 13,936 33,783 212,891 $375,319 $66,301 48,995 3,986 12,057 41,304 233,082 $405,725 Total Assets Liabilities and Equity Accounts Payable Other Current Liabilities Long-term Debt Other Noncurrent Liabilities Common Stock Retained Earnings Total Liabilities and Equity $44,242 50,226 103,703 43,251 35,567 98 330 $375,319 $55,888 55,416 102,519 48,209 33,293 110.400 $405,725 FY2018 INCOME STATEMENT: Revenue Cost of Goods Sold General and Administrative Depreciation Expense Earnings Before Interest and Taxes Interest Expense Pretax Net Income $265,595 163,756 14,793 10.903 76,143 3,240 72,903 13,372 $59,531 Income Taxes Net Income 16. What was Apple's Return on Equity for 2018.2 (For balance sheet accounts, use the average of the beginning and end-of-year balances). 18. If the analysts who follow Apple project 2019 sales to increase by 7.4% over 2018, its after-tax profit margin to remain the same, and anticipate a 60% dividend payout ratio, what are the projected retained earnings by the end of 2019? 19. Assuming that Apple's net working capital is expected to vary directly with sales, based on a projected 7.4% sales increase in 2019, what is the projected accounts receivable balance at the end of 2019? 20. If the management of Apple projects that by the end of 2018, it was operating at 62% of capacity, what is its full level capacity of sales? 21. How much did Apple pay out in dividends during fiscal 2018