Use the fundamental accounting equation to answer the following problems.
a) The liabilities of Cummings Company are $90,000 and the stockholder's equity is $230,000. Find out the amount of Cummings Company's total assets?
b) The net assets of Haldeman Company are $170,000 and its stockholder's equity is $90,000. Find out the amount of its total liabilities?
c) The net assets of Dain Corporation are $800,000 and its liabilities are equivalent to one-fourth of its total assets. Find out the amount of Dain Co.'s stockholder's equity?