Accounting Equation Alex Hayden is the sole stockholder and operator of Elevate and Succeed, a motivational consulting business. At the end of its accounting period, December 31, 20Y7, Elevate and Succeed has assets of $877,980 and llabilities of $277,440. Using the accounting equation and considering each case independently, determine the following amounts: a. Stockholders' equity, as of December 31, 20Y7. b. Stockholders' equity, as of December 31, 20Y8, assuming that assets increased by $138,720 and liabilities increased by $83,410 during 20Y8. C. Stockholders' equity, as of December 31, 20Y8, assuming that assets decreased by $69,360 and liabilities increased by $24,580 during 20Y8. d. Stockholders' equity, as of December 31, 20Y8, assuming that assets increased by $115,890 and liabilities decreased by $43,900 during 20Y8. e. Net income (or net loss) during 20Y8, assuming that as of December 31, 20YB, assets were $1,106,250, liabilities were $179,990, and there were no dividends and no additional common stock was issued. 4