27. If the price index was 100 in 2000 and 120 in 2010, and nominal GDP was
$360 billion in 2000 and $480 billion in 2010, then the value of 2010 GDP in terms
of 2000 dollars would be .
(A) $300 billion.
(B) $384 billion.
(C)$400 billion.
(D) $424 billion.