customer id
= 1 if pepsi chosen, otherwise = 0
= 1 if 7up chosen, otherwise = 0
= 1 if coke chosen, otherwise = 0
price of 2 liter bottle of pepsi
price of 2 liter bottle of 7up
price of 2 liter bottle of coke
= 1 if pepsi is a featured item at the time of purchase, otherwise = 0
= 1 if 7up is a featured item at the time of purchase, otherwise = 0
= 1 if coke is a featured item at the time of purchase, otherwise = 0
= 1 if pepsi is displayed at time of purchase, otherwise = 0
= 1 if 7up is displayed at time of purchase, otherwise = 0
= 1 if coke is displayed at time of purchase, otherwise = 0