In the Small Closed Economy of San Lucretia, the Currency

In the small closed economy of San Lucretia, the currency is the denar. Statistics for last year show that private saving was 60 billion denars, taxes were 70 billion denars, government purchases of goods and services were 80 billion denars, there were no transfer payments by the government, and GDP was 400 billion denars. What were consumption and investment in San Lucretia?

A) 270 billion denars, 50 billion denars
B) 260 billion denars, 60 billion denars
C) 250 billion denars, 70 billion denars
D) None of the above is correct.