Chapter 4, textbook page 197, "Problems and Exercises, #4-46". (10 points) 4-46. Figure 4-36 includes an EER diagram describing a car racing league. [Note from Beckman: Figure 4-36 is NOT an EER diagram; it's actually just an ER diagram. There is no object-orientation notation in it.] Transform the diagram into a relational schema that shows referential integrity constraints (see Figure 4-5 for an example of such a schema). In addition, verify that the resulting relations are in 3NF