The loan officer, taken aback, requested collateral and so
the man said, "Well then, here are the keys to my Rolls-Royce."
The loan officer promptly had the car driven into the bank's  underground
parking for safe keeping, and gave him $5,000.

Two weeks later, the man walked through the bank's doors,
and asked to settle up his loan and get his car back. "That  will be $5,000
in principal, and $15.40 in interest", the
loan officer said. The man wrote out a check and started
to walk away.

"Wait sir", the loan officer said, "while you were gone, I
found out you are a millionaire. Why in the world would you  need to borrow
$5,000?"

The man smiled. "Where else could I park my Rolls-Royce in
Manhattan for two weeks and pay only $15.40?