Use the accounting equation to answer each of the independent questions below. a. At the beginning of the year, Norton Company's assets were $75,000 and its stockholders' equity was $38,000. During the year, assets increased by $18,000 and liabilities increased by $4,000. What was the stockholders' equity at the end of the year? 14,000 b. At the beginning of the year, Turpin Industries had liabilities of $44,000 and stockholders' equity of $66,000. If assets increased by $10,000 and liabilities decreased by $5,000, what was the stockholders' equity at the end of the year