Your favorite bicycle daily rental store has just introduced a new Customer Relationship Management system and asked you, one of their most loyal members, to test it. The implemented features are as follows:  Anyone can rent a bicycle, but members receive a 20% discount  However, if the return deadline is missed, the discount is no longer available  After 15 rentals, members get a gift: a T-Shirt Decision table describing the implemented features looks as follows: Conditions R1 R2 R3 R4 R5 R6 R7 R8 Being a member T T T T F F F F Missed deadline T F T F T F F T 15th rental F F T T F F T T Actions 20% discount X X Gift T-Shirt X X X Based ONLY on the feature description of the Customer Relationship Management system, which of the above rules describes an impossible situation?