The man's wife, inside the house, heard the conversation and said to her husband, "Does she realize that the porch goes all the way around the house?"
The man replied, "She should. She was standing on the porch."
A short time later, the blonde came to the door to collect her money.
"You're finished already?" he asked.
"Yes," the blonde answered, "and I had paint left over, so I gave it two coats.
"Impressed, the man reached in his pocket for the $50.
"And by the way," the blonde added, "that's not a Porsche, it's a Ferrari."