Redraw Boehm’s spiral model in Figure as a UML activity diagram. Compare the readability o...

Redraw Boehm’s spiral model in Figure as a UML activity diagram. Compare the readability of the original figure with the activity diagram.

Figure: Boehm’s spiral model (adapted from [Boehm, 1987]). The distance from the origin represents the cost accumulated by the project. The angle from the horizontal represents the type of activity. For example, the project P1 is currently in the risk analysis activity associated with software requirements. The project P2 is in the development of the system product design.