Berlin Corporation was organized on January 1, 2020, with 400,000 no par value common shares authorized. During 2020, the corporation had the following share transactions: Jan 5 Issued 150,000 shares at $10 per share Apr 6 Issued 50,000 shares at $12 per share Jun 8 Issued 50,000 shares at $14 per share Jul 28 Purchased 20,000 shares at $11 per share and cancelled them Dec 31 Issued 20,000 shares at $18 per share What is the total amount of contributed surplus at December 31, 2020?