I need help answering these questions with the data they have provided

Below, the trial balance for Rodan, Inc is presented for years 2018 and 2019. Calculate the answers to the six questions that follow the trial balance and enter the answers in Blackboard. Rodan, Inc. Trial Balance 31-Dec-19 2019 2018 Account Name Debit Credit Debit Credit Cash 52,000 32!!!) Accounts Receivable 101!!!) 98!!!) Supplies 2,5(!) 12,2[!) Inventory 65,5(!) 42,3[!) Prepaid Expenses 12,3(!) 24!!!) Land 309,700 309,700 Building 385!!!) 385!!!) Accumulated DepreciationBuilding 76,315!) 58,600 Accounts Payable 42,1[!) 38,9(!) Salaries Payable 13,2[!) 9,7[!) lnco me Taxes Payable 34!!!) 26!!!) Notes Payable 1t!)!!!) 1t!)!!!) Bonds Payable 200,000 200,000 Common Stock 220!!!) 220!!!) Retained Earnings 67!!!) 49!!!) Sales Revenue (Net) 956!!!) 1,050,650 Cost of Goods Sold 360!!!) 456,950 Advertising Expense 67,9(!) 70!!!) Depreciation Expense 17,7t!) 17,715!) Insurance Expense 1,0(!) 1,0(!) Rent Expense 24!!!) 24!!!) Salaries Expense 310!!!) 280!!!) 1,708,6t!) 1,708,6t!) 1,752,850 1,752,850 1. What is the net income for 2019? 2. What is the gross margin in dollars for 2019? 3. What is the gross margin percentage for 2019? 4. What is the prot margin percentage for 2019? 5. What is the return on equity for 2019? 6. What is the return on assets for 2019