Database model for car-service : <p>I am working on a project for car-service(denting, painting). In this app user will select their location and then select car brand,model and fuel type.After this he will see a list of services and add them to cart . Then he can make order for services.
So, How to design database for this.I am stuck with how store services which can be  change in price for different car and location.</p>
