https://buymiles.aa.com/en/buygift?c=SOLO_EML_EN,US_BUY
Buy 150,000, Get 115,000 bonus
Total is $4,425+$332 tax+$30 processing = $4,787 or $.018 each
This is pretty darned close to the exact amount I value them at when I don't have a particular award I am targeting, but I honestly haven't been keeping up with all the devaluation talk coming next year....