Roberto Corporation was organized on January 1, 2021. The firm was authorized to issue 100,000 shares of $5 par common stock. During 2021, Roberto had the following transactions relating to shareholders' equity: Issued 10,000 shares of common stock at $7 per share. Issued 20,000 shares of common stock at $8 per share. Reported a net income of $100,000. Paid dividends of $50,000. Purchased 1,000 shares of treasury stock at $10 (part of the 20,000 shares issued at $7). What is total shareholders' equity at the end of 2021? OA. $300,000. O B. $250,000. OC. $200,000. O D. $270,000.