Answer:
The most correct option is option c. "WE CANNOT DETERMINE IF SUE IS MAXIMIZING HER TOTAL UTILITY FROM THE INFORMATION PROVIDED"
Explanation: Utility is the satisfaction derived from consuming a goods. from the information provided, their is no condition provided, on how Sue should eat Pizza and yogurt in order to be satisfied. The information only provided us with how Sue is consuming pizza and yogurt.
It will be wrong to conclude how Sue should consume Pizza and yogurt, because Sue may be satisfied with the utility she drives in the way she eats pizza and yogurt.