$50

Morris and his wife Esther went to the state fair every year, And  every year Morris would say, 'Esther, I'd like to ride in that  helicopter.'

Esther always replied, 'I know Morris, but that  helicopter ride is fifty dollars, And fifty dollars is fifty  dollars'

One year Esther and Morris went to the fair, and Morris  said, 'Esther, I'm 85 years old. If I don't ride that helicopter, I might  never get another chance.' To this, Esther replied, 'Morris that  helicopter ride is fifty dollars, and fifty dollars is fifty  dollars.'

The pilot overheard the couple and said, 'Folks I'll make  you a deal. I'll take the both of you for a ride. If you can stay  quiet for the entire ride and don't say a word I won't charge  you a penny! But if you say one word it's fifty  dollars.'

Morris and Esther agreed and up they went.

The  pilot did all kinds of fancy maneuvers, but not a word was heard. He did his  daredevil tricks over and over again, But still not a word.

When they  landed, the pilot turned to Morris and said, 'By golly, I did everything I could to get you to yell out, but you didn't... I'm  impressed!'

Morris replied, 'Well, to tell you the truth, I almost  said something when Esther fell out, But you know, fifty  dollars is fifty dollars!'