Answer:
are $270 billion
Step-by-step explanation:
Change in business inventories in 2012 = -$70 billion
GDP of 2012 = $200 billion
Final sales in 2012 = GDP - Change in inventory
Final sales in 2012 = $200 billion - (- 70 billion )
Final sales in 2012 = $200 Billion + 70 billion
Final sales in 2012 = $270 billion
Hence proved that the correct answer is $270 billion