Is this a good parlay for Wimbledon?

[Bengals28]

6/27/2011 11:00 AM ATP Tennis 101 Rafael Nadal* -470 vs Juan Martin del Potro
6/27/2011 8:00 AM ATP Tennis 113 Andy Murray* -350 vs Richard Gasquet
6/27/2011 11:00 AM ATP Tennis 132 Roger Federer* -3380 vs Mikhail Youzhny
6/27/2011 9:30 AM ATP Tennis 144 Novak Djokovic* -1290 vs Michael Llodra
Risking $100.00 To Win $72.99