Hrm. Lets calculate. I'm actually not sure.

Frame: $10
Pedals: $50
Cranks: Free
Chainring: Free
Bottom Bracket: $50
Seat: $10
Headset: $20
Stem: $40
Handlebars: Free
Fork: Free
Hubs: $80
Rims: $120
Spokes: $20
Tires: $60

Grand total: $460

Not bad, considering it was spread out over six months, and I got lots of stuff for free.