The last day they can be used is 30 days past the expiration date, which would be 3/30/14. I'm afraid I don't know what you mean by "how many of each".
Really. It doesn't say that on the bag. I haven't had any problems from anyone I've sent these to. Might be a local manager thing. You might want to call another one to check.
I'm mad I got out bidded my first bids. and no more credits A holes probably have a ton of credits not fair to people just starting and have barely any credits!