Scene 1

Grandfather
Scene 2

7 year old grandson, John.
Scene 3

Grandfather,
"John, if you call me at the office, I will give you $1 for each call, but if you call at home, it will be $2."
Scene 4

John calls, and asks where I am.
Scene 5

Me,
"I already left the office, and am a couple of blocks from home."
Scene 6

John,
"Is this a $1, or $2 call?"