Design a E$/$R Model using crow's foot notation for a grade$-$keeping system described like the following:

$*$ students enroll in courses

$*$ a course has a number $($unique$)$ and a title

$*$ each student has a unique ID and name

$*$ students can enroll in multiple courses

$*$ a course can have multiple students

$*$ a course can have several assignments

$*$ each assessment is identified by a number, a title and a type $($quiz$,$ homework, project, exam$)$

$*$ each student receives a grade $(0-10)$ for each assignment