how do i calculate the retained earning

Credit $ 38 74 418 196 SAM'S PIZZERIA INTERNATIONAL INC. Adjusted Trial Balance At the End of a Recent Year (in millions of dollars) Debit Accounts payable Accounts receivable 68 Accrued expenses payable Accumulated depreciation Additional paid-in capital Buildings and leasehold improvements 234 Cash 28 Common stock Equipment 394 Income tax receivable 10 Income taxes payable Intangible assets Inventories Land Long-term debt Long-term notes receivable 28 Other assets 54 Other long-term liabilities Prepaid expenses and other current assets 54 Short-term notes receivable 10 14 81818 485 79 79 54 10 606 12 1,790 Other long-term liabilities Prepaid expenses and other current assets Short-term notes receivable Treasury stock Unearned revenue Retained earnings Restaurant and franchise sales revenue Interest revenue Cost of sales Advertising expense Depreciation expense General and administrative expenses Income tax expense Interest expense Loss on Impairment of assets Rent and utilities expense Salaries and benefits expense Total 1,062 78 50 84 40 14 8 68 255 3,321 $ $ 3,111