Please help on part C

Use the basic accounting equation to answer these questions. (a) The liabilities of Carla Vista Company are $90,200 and the stockholders' equity is $261,000. What is the amount of Carla Vista's total assets? Total assets $ 351200 (b) The total assets of Metlock Company are $182,000 and its stockholders' equity is $83,000. What is the amount of its total liabilities? Total liabilities $ 99000 (c) The total assets of Martinez Co. are $840,000 and its liabilities are equal to one-fourth of its total assets. What is the amount of Martinez's stockholders' equity? Stockholders' equity $ 210000