Answer: Correct
Step-by-step explanation: When demand for a good rises and at the same time supply for it also rises, the quantity sold in the market will rise for certain. However, it cannot be determined what will be the effect on its price as the effect on price will depend on the magnitude of the shifts in the two curves. Thus, the student's remarks (that, because of these events, we can't know for certain whether the price of premium bottled water will rise or fall) is correct.