Jim McKay Chevrolet Car Dealer contacted you to improve their inventory database. To proof your knowledge your company must create an initial model of the database. For simplicity, they asked to have a single-entity database. Below is the dialog between a senior DESIGNER and a CUSTOMER representative.

Designer: May you show me some sample data that you want to be stored in the database?

Customer: Yes, we want to keep information for our inventory. Some sample cars in our inventory are:

• 2020 Chevrolet Suburban LT; MPG: 14 City / 21 Hwy; VIN #: 1GNSKHKC8LR212807; PRICE: $64,148;
• 2020 Chevrolet Silverado 1500 WT; MPG: 15 City / 19 Hwy; VIN #: 3GCNWAEF8LG252540; PRICE: $28,185;
• 2020 Chevrolet Bolt EV Premier; MPG: 127 City / 108 Hwy; VIN #: 1G1FZ6S00L4121472; PRICE: $35,605;
• 2019 Chevrolet Malibu LT 1LT; VIN #: 1G1ZD5ST8KF112375; Price: $16,478;

Designer: Are you selling only Chevrolet cars?

Customer: No, we are selling all types of cars, BMW, Buick, Cadillac, ...

Designer: Based on what characteristics do you want to search or make other operations?

Customer: Year, make, model, trim, miles per gallon in the city or highway, VIN and price.

Designer: What properties are always provided for a car?

Customer: Year, make, model, trim, VIN and price. Each car has a unique VIN