## Steps to reproduce 1. Create a grouped product and assign it to a category 2. Create a Simple Product 3. Add some tier prices to the Simple Product 4. Assign the Simple Product to the Grouped Product 5. Go to the category in the frontend ## Expected result 1. The displayed price of the grouped product should be the minimal possible price. ie. the minimal tier price. ## Actual result 1. The displayed price is the minmal normal price of the assigned simple products. The tier prices are not evaluated.