Problem 2 (Continuation) b) Consider the following E-R diagram Parts pld pName NpPrice Assembles Supplies Supplier sld sName sPhone Which of the following statements can be inferred from the diagram? Every supplier must supply a part. Some parts are used to assemble other parts. I. III. Every part must be supplied by some supplier IV. Both 11 and 111 V. All of the above VI. None of the above Answer: c) (5pts) Let Ei and E2 be two entities. Let R be a many-to-many relationship between Ei and E2. If l E1 l Xand | E2l Y, then the maximum cardinality for R will be I. Max {X,Y IV. , since we can have as many pairs of elements from E1 and E2 as we want. V. None of the above