In a Certain Year the Aggregate Amount Demanded at the Existing

In a certain year the aggregate amount demanded at the existing price level consists of $100 billion of consumption, $40 billion of investment, $10 billion of net exports, and $20 billion of government purchases.Full-employment GDP is $200 billion.To obtain full employment under these conditions, the government should

A) encourage personal saving by increasing the interest rate on government bonds.
B) decrease government expenditures.
C) reduce tax rates and/or increase government spending.
D) discourage private investment by increasing corporate income taxes.