At the beginning of the year, Sandhill Company had total assets of $786,000 and total liabilities of $299,000. Answer the following questions. (a) If total assets increased $120,000 during the year and total liabilities decreased $58,000, what is the amount of owner's equity at the end of the year? (b) During the year, total liabilities increased $110,000 and owner's equity decreased $76,000. What is the amount of total assets at the end of the year? (c) If total assets decreased $90,000 and owner's equity increased $99,000 during the year, what is the amount of total liabilities at the end of the year