Use the expanded accounting equation to answer each of the following questions. (a) The liabilities of Ivanhoe Company are $88,000. Owner's capital is $158,000; drawings are $85,000; revenues, $467,000; and expenses, $325,000. What is the amount of Ivanhoe Company's total assets? Total assets $ (b) The total assets of Sierra Company are $59,000. Owner's capital is $15,000; drawings are $7,500; revenues, $52,000; and expenses, $30,000. What is the amount of the company's total liabilities? Total liabilities $ (c) The total assets of Birch Co. are $723,000 and its liabilities are equal to two-thirds of its total assets. What is the amount of Birch Co.'s owner's equity? Owner's equity $