At December 31 of the current year, Martin Consultants has assets of $430,000 and liabilities of $205,000. Using the accounting equation and considering each case independently, determine the following: a. Stockholders' equity, as of December 31. $fill in the blank 1 b. Stockholders' equity, as of December 31 of the next year, assuming that assets increased by $12,000 and liabilities increased by $15,000. $fill in the blank 2 c. Stockholders' equity, as of December 31 of