$4.$ Develop a relational database schema in a Word document based on your homework Word document $($WS$2\mathrm{.}4$ Class Diagram$)$ from your Chapter $4$ assignment. For an example of the relational database schema, refer to figure $9\mathrm{.}6$ in your textbook. The final document must be in Word format titled $$WS$3$ Relational Database Schema$.$