PLEASE HELP ME TO ANSWER A AND B. URGENT !!

QUESTIONS / SOALAN Marks/Markah 1. Cosmo International College (CIC) has 15 lecturers and can handle up to 30 students per class. CIC offers five technology courses, each of which may generate several classes. If a class has fewer than 10 students in it, it will be canceled. Therefore, it is possible for a course not to generate any classes during a semester. Each class is taught by one lecturer. Each lecturer may teach up to two classes or may be assigned to do research. Each student may register up to two classes per semester. a. List all the entities involved. b. Identify the relationship for those entities. (4) c. Draw the ERD for the above situation. (12) (Total: 20)