Answer: Option 'c' is correct.
Explanation:
Since we have given that
Number of flavors = 8
Number of brands = 4
Number of containers = 2
1) Single serving
2) Quart sized
According to question, Every flavor for each brand is sold in single-serving and quart-sized containers.
So, Number of different brand flavor size combinations of yogurt would be

Hence, Option 'c' is correct.