Oracle Exam 1Z0-807 Topic 1 Question 1 Discussion

While analyzing an existing web application, you observe the following issues in the source code:

* Duplicate control code is scattered throughout various view.

* Business and presentation logic are mixed within these view.

The next phase of the project involves refactoring the existing code to address these two issues.

Which design pattern, if employed in the refactoring exercise, would most directly address the two issues?