A cute Nigerian scammer in the mail toda ... / 2014-09-22

A cute Nigerian scammer in the mail today:

Attention, This message is from the supervisor central here to you. It came to my notice that you did not have money to pay cost of receiving your long waited funds $8.3M. However, I tried to use my immunity as a supervisor here to waive that fee so that you will receive your funds without any further hitch but in conclusion the authority insisted on minim $120 You advised to kindly pay only 120 today via western union transfer so that you will receive your long waited funds total $8.3M

My best guess: when the $120 is transferred there is 'just one more tiny problem' costing around $180. And so on.