Roberto Designers was organized on January 1, 2021. The firm was authorized to issue 150,000 shares of $6 par value common stock. During 2021, Roberto had the following transactions relating to stockholders' equity: Issued 15,000 shares of common stock at $8 per share. Issued 30,000 shares of common stock at $9 per share. Reported a net income of $150,000. Paid dividends of $75,000. Purchased 4,500 shares of treasury stock at $11 (part of the 30,000 shares issued at $9). What is total stockholders' equity at the end of 2021? Multiple Choice $805,500. $445,500. O $955,500. O $415,500