test
B: own a latest design/model/technology in the car
D: Buy a new car
A: Buy a good car
| C-D': | Assumption(s) | Injection(s) |
| 1. Used cars are cheaper than the new cars of the same make and model | It could be expensive of the previous owner has done some high end customization |
C: Save Money
D': Buy a used car
In order to Buy a good car I must own a latest design/model/technology in the car and in order to own a latest design/model/technology in the car I must Buy a new car. But, in order to Buy a good car I must also Save Money and in order to Save Money I must Buy a used car. I can't both Buy a new car and Buy a used car.
| Relation | Assumption(s) | Injection(s) |
| D-D' | Both are physically different entities. | |
| B-D | 1. new car comes with newer designs 2. The existing features are damaged by the previous owner, they are not in good condition | 1. there was no upgrade by the manufacturer since the year of manufacturing of the considered car 2. the car is well maintained |
| C-D' | 1. Used cars are cheaper than the new cars of the same make and model | It could be expensive of the previous owner has done some high end customization |
| A-B | 1. Comfort 2. Fuel efficiency 3. Feel Good 4. delayed obsolescence | 1. with the same about of money I can buy more comfortable used car 2. Different model old car could have better fuel efficiency 3. it may depend on the comparison of the used car model to the new car model with same price new Volkswagen vs old Audi 4. always true |
| A-C | used cars are always cheaper | only when the new car is of lower segment and old car is of higher segment its possible the reverse way. |