I was looking at my bill and it said I overcharge, but I doesn't seem like they gave me the full 500min I signed up for. I pretty sure included airtime should be topped at 500min but it is at 429. I am assuming the free airtime is promotional. if my math is correct i should have gone over 32 airtime mins. let me know what u guys think thanks. also note i already used my goodwill credit and that why the plan changed.