roberto corporation was organized on january 1, 2018. the firm was authorized to issue 83,000 shares of $5 par common stock. during 2018, roberto had the following transactions relating to shareholders' equity: issued 9,900 shares of common stock at $5.30 per share. issued 20,400 shares of common stock at $9.90 per share. reported a net income of $90,000. paid dividends of $50,000. purchased 2,100 shares of treasury stock at $11.90 (part of the 20,400 shares issued at $9.90). what is total shareholders' equity at the end of 2018? $271,640. none of the above. $319,440. $269,440. $294,450.