Labor cost on an average accounts for about _____ percent of the total cost of production

The above table gives real GDP and the aggregate expenditure schedule. When real GDP is $10 billion, the amount of unplanned investment is

A) $0.5 billion. B) -$20.5 billion. C) -$0.5 billion. D) $20.5 billion. E) unknown.

In the term "real GDP," what does "GDP" stand for and what does it measure? What does "real" indicate?

What will be an ideal response?