Answer:
The correct option is D which is Whether Real GDP increased cannot be determined with the information given.
Explanation:
The information given only indicates an increase in the overall total market value over the 2 years. In this context
Option A cannot be considered definitely correct as the total market value could be increased by both the increase of Production or Price Levels.
Option B cannot be considered definitely correct as the real GDP is dependent on other variables as compared to the total market value.
Option C cannot be considered definitely correct as the total market value could be increased by both the increase of Production or Price Levels.
So only option D is correct.