No discount for a particular item
I have created varied discounts for certain users logged in. As a result, when a user is logged in and is making a purchase, the cart will reflect the total with the discount applied (i.e.: 25% off).
However, I am selling a particular item that I do not want my users getting a discount on. I would prefer that the item be purchased at regular price. How can I update my eCart Object to take a particular item into consideration and not apply a discount to just that one item?