Well it is her time of summer the mega millions drawing is tonight. >> The jackpot a 681 million dollars. The cash value 337 Million. If there is a winner tonight this would be the 7th largest mega millions prize on record. >> What effects the sales and the bigger the jackpot the more tickets were selling. So that's that's one of the big factors there and then the other is interest rates that's what we do with jackpot for mega millions. You know says we buy an investment to pay that annuity and and that's what pays out players that top prize.