Accounting Equation Shannon Cook is the stockholder and operator of You're A Star LLC, a motivational consulting business. At the end of its accounting period, December 31, 2017, You're A Star has assets of $605,000 and liabilities of $145,000. Using the accounting equation, determine the following amounts: a. Stockholders' equity as of December 31, 2017. b. Stockholders' equity as of December 31, 2018, assuming that assets increased by $115,000 and liabilities decreased by $35,000 during 2018