Just so you guys know, current refridgerant pricing of 12 oz cans.
R134a - $7.99 or $10.65 per lb
R-12 - $31.99 or $42.65 per lb
This is if you purchase it at Napa. Buying from a shop doing A/C work will result in getting ass raped. If it was me I'd take up Cory's offer, then you know it's getting done right and he's a cheap date!