STU Ltd., a retail conglomerate, reports its balance sheet as of December 31, 2023. The company's assets include cash, marketable securities, inventory, and retail outlets. Liabilities consist of accounts payable, accrued expenses, and long-term debt. Shareholders' equity comprises common stock, preferred stock, and retained earnings. STU Ltd.'s balance sheet reflects its recent acquisition of several retail chains. Requirements: a. Calculate the total assets of STU Ltd. b. Determine the total liabilities. c. Analyze the impact of retail chain acquisition on shareholders' equity.