Man goes to a vet. (1)

Man walks into a vet carry his dog. Doctor i think my dog is dead. Doctor tell the man to put the dog on the table. then the doctor opens the door and a cat comes out and jumps up onto the table. The cat walks all over the dog then jumps back down again and walks out.
The doctor turns to the man and says."yep your dog is dead. The man looks at the dog and then at the doctor, are you sure can i have a second opintion. OK says the doctor who opens up the door again. Out comes a black labrador jumps up on the table and walks all over the man dog. he then jumps down and walks out the door. The doctor says well we can safely say your dog is dead.
The man turns to the doctor and asks how much the doctor wants? That will be £50 please says the doctor. The man looks amazed, "What !£50 quid for telling me my dog is dead you got to me kidding. No says the doctor. It cost £25 for the cat scan and £20 for the Lab results and five £5 for my fee.