Pepsi Cola Product/Service Pricing

1. Price And Reducing Cans Per Case
   Being a loyal customer of Pepsi Cola for more than 15 years, I will no longer be buying your product because of the 12 pk reduced ...
2. price
   I want to know why can I purchase a 2 liter bottle of pepsi for under a dollar, but 20oz and 1 liter bottles are more expensive. ...