At the beginning of the year, Sielert Company had total assets of $874, 520 and total liabilities of $397, 250. Answer the following questions. (a) If total assets increased $121, 910 during the year and total liabilities decreased $52, 130, what is the amount of owner's equity at the end of the year?(b) During the year, total liabilities increased $130, 040 and owner's equity decreased $65, 670. What is the amount of total assets at the end of the year? (c) If total assets decreased $62, 590 and owner's equity increased $89, 500 during the year, what is the amount of total liabilities at the end of the year