As head of Adita Inc., potential investors are asking questions about the companys dividend payment history. The investors are also curious how dividend payments differed for common and preferred shareholders. To help answer their questions, the following Tableau Dashboard is provided.

1. What is the total cash dividends paid out for Years 1, 2, 3, and 4 combined? 2. Assume that preferred share is noncumulative and compute the Year 4 cash dividends paid to (a) preferred shareholders and (b) common shareholders.