6. Consider the following ERD then answer the questions below. VOLUNTEER PK Vol ID Vol_FName Vol_LName Vol Street Vol_City Vol State Vol_Zip Vol_Phone ITEM PK Item ID Item Descr Item Value Item QOH H ASSIGNMENT PK,FK1 Vol ID is given PK,FK2 Task Code Assign_Start Assign_End has H has CONTENT PK,FK1 Pack ID OPK,FK2 Item ID Content_QTY a. List the weak and strong entities. Weak Entities: Strong Entities: has H H LIST PK List ID List Name List Descript used by PK TASK Task Code Task_Descr Task Type Task Status FK1 List_ID + creates PK PACKAGE Pack ID Pack CreateDate Pack_Weight FK1 Task_Code b. List the identifying and non-identifying relationships. Non-identifying Relationships: Identifying Relationships: