i need help with the ratios calculationd and 2-3 to explain each result. thank you

Part 4. Financial Ratios Student Responsibility - Calculate the following ratios and provide a 1-2 sentences explanation of what each ratio means (Prepared in Word or Excel - Must show all calculations in order to receive full credit) Profit Margin Return on Investment (ROI) Current Ratio Debt to Equity Ratio Asset Turnover Tom Saint Balance sheet As On July, 2020 7,750.00 4,500.00 2,000.00 Assets cash Account Receivable Inventory Prepaid Rent Prepaid Insurance Total Current Assets Non-Current Assets Truck Accumulated Depreciation-Truck Total Assets 5,500.00 19,750.00 6,000.00 (200.00) 5,800.00 25,550.00 $ 1,500.00 1,200.00 600.00 $ Liabilities and Shareholder's Equity Accounts Payable Unearned Sales Revenue Salaries Payable Total Current liabilities Notes Payable Total Liabilities Shareholder's Equity Common Stock Retained Earnings Total liabilities and shareholder's Equity 3,300.00 2,200.00 5,500.00 20,000.00 50.00 $ 20,050.00 25,550.00 Rebecca Oubda case study part 3 ACC 301 Tom Saint Income Statement For the Month of July, 2020 $ $ $ 7,000.00 2,300.00 4,700.00 Sales revenue cost of Good Sold Gross Profit Less Operating Expense Rent Expense Insurance Expense Salaries Expense Gas and Oil Expense Utility Expense Depreciation Expense Total Operating Expenses Earnings Before Interest and Taxes (EBIT) Other Incomes (Exenses) Interest Expense Net Income $ $ $ $ $ 1,000.00 500.00 1,400.00 200.00 250.00 200.00 $ $ 3,550.00 1,150.00 $ $ (200.00) 950.00 Tom Saint Statement of Shareholder's Equity For the Month of July, 2020 Common Stock Retained Earning: Total $ Beginning Balance Cash Contributed add Net Income Less Dividend Ending Balance 20,000.00 $ $ 20,000.00 $ $ 20,000.00 950.00 $ 950.00 (900.00) $ (900.00) 50.00 $ 20,050.00