Given a table structure as follows. Studentss Courses Student ID PK PK Session:s Student ID CPK/FK Course.?? CPKFK Semester Year Grade (a) (15 points) Please show the SQL statement that find the GPA for every student. The result set should look like: (Hint: Think about how you can calculate GPA and display it in such an order like the result picture) student_id GPA 3.0000 2.7500 3.0000 4.0000 4