Problem 1 Define entity type (the COLLECTION, universal object, not a single individual member) The entity concerned -purchases of durable goods ( transactions ) (please note that a purchase of durable goods have some characteristics that are significantly different from purchasing, say, grocery, stationaries, or small tools, etc).

Problem 2

Business rules, and attributes.

2. CUSTOMER books RENTAL-CONTRACT, CAR is rented in RENTAL-CONTRACT

(a) Take the first entity type (1st entity only; not all three!!), identify all its relevant and practical attributes; (2 points)

(b) For the scenario, state ALL business rules. (4 points)