Question $8$

In the "cars" relation which of the functional dependency is true?

The following is a section of a relation that keeps the necessary information of second hand car sale transaction

Table name : cars.

ASSUME NO CUSTOMER BUYS THE SAME MAKE OF CAR AGAIN.

Select one:

a$.$ Customer$-$Code

b$.$ Price, Customer$-$Code

C$.$ Prod$-$Year

d$.$ Customer$-$Name