Mofro's Computer Repair Shop started the year with total assets of $270,000 and total liabilities of $180,000. During the year, the business recorded $450,000 in computer repair revenues, $270,000 in expenses, and Mofro paid dividends of $45,000. Stockholders' equity at the end of the year was $225,000. $180,000. $270,000. $210,000