Respond to the following questions on stockholders' equity:

1. Identify and briefly describe the two primary sources of stockholders' equity.
2. The owners of a corporation are its stockholders. If a corporation has only one type of shares, they typically are labeled common shares. Indicate the ownership rights held by common stockholders, unless specifically withheld by agreement.
3. Terminology varies in the way companies differentiate among share types. But many corporations designate shares as common or preferred. What are the two special rights usually given to preferred stockholders?