In One Year,a Firm Increases Its Production by $9 Million

Multiple Choice

In one year,a firm increases its production by $9 million and increases sales by $8 million.All other things in the economy remaining the same,which of the following is true?

A) GDP increases by $8 million and inventory investment decreases by $1 million.
B) GDP increases by $9 million and inventory investment increases by $1 million.
C) Inventory investment decreases by $1 million.
D) GDP increases by $8 million and investment increases by $1 million.
E) GDP increases by $17 million.