Final answer:
To determine the amount of slush flavor in a large 32 oz cup, it is necessary to consult the product packaging or serving instructions.
Step-by-step explanation:
In order to determine how much slush flavor goes into a large 32 oz cup, we need to refer to the given information. Unfortunately, there is no specific information about slush flavor in the given references. Slush flavor is typically added to a beverage as a syrup or concentrate, and the amount used can vary depending on personal preference. It is recommended to check the product packaging or consult the serving instructions for the slush flavor you are using to determine the appropriate amount to add to a 32 oz cup.