(20pts) a. In the following COURSE table, the attribute PREQUISITES is a multivalued attribute. A course may have zero or more prerequisites and the same course may be the prerequisite of zero or more other courses. Draw a Crow's Foot ERD to show your solution for a design that properly addresses this multi-valued attribute issue. b. Populate the resulting tables with the minimal number of rows so that the populated tables fully illustrate the different aspects of your design