BE1-4 Use the accounting equation to answer each of the following questions. (a) The liabilities of Olga Company are $90,000. Common stock account is $150,000; divi- dends are $40,000; revenues, $450,000; and expenses, $320,000. What is the amount of Olga Company's total assets? (b) The total assets of Lafayette Company are $57,000. Common stock account is $23,000; dividends are $7,000; revenues, $50,000; and expenses, $35,000. What is the amount of the company's total liabilities? (c) The total assets of Dierdorf Co. are $600,000 and its liabilities are equal to two-thirds of its total assets. What is the amount of Dierdorf Co.'s stockholders' equity? BE1-5 Indicate whether each of the following items is an asset (A), liability (L), or part of stockholders' equity (SE). (a) Accounts receivable (d) Supplies (b) Salaries and wages payable (e) Owner's investment - (c) Equipment (f) Notes payable