In Both Gamma and Delta,average Labour Productivity Is $40,000 Per

In both Gamma and Delta,average labour productivity is $40,000 per worker per year.The population of Gamma is 200,000 and the population of Delta is 400,000.50% of the population in each country is employed.Total output in Gamma is _________ and total output in Delta is _________.

A) $20,000;$20,000
B) $100,000;$200,000
C) $2.4 billion;$4.8 billion
D) $4 million;$8 million
E) $8 billion;$16 billion