Answer this question using an ER diagram but with the use of only the rectangle shape

The figure below shows a grade report that is mailed to students at the end of each semester. Prepare an ERD reflecting the data contained in the grade report. Assume that each course is taught by one instructor. Explain what you chose for the identifier of each entity type on your ERD.

MILLENNIUM COLLEGE GRADE REPORT FALL SEMESTER 200X \begin{tabular}{lcccc} \hline NAME: CAMPUS ADDRESS: & Emily Williams 208 Brooks Hall MAJOR: & ID: 268300458 \\ \hline Information Systems COURSE ID & TITLE & INSTRUCTOR NAME & INSTRUCTOR LOCATION & GRADE \\ \hline IS 350 & Database Mgt. & Codd & B104 & A \\ IS 465 & System Analysis & Parsons & B317 & B \end{tabular}