Government spending in Robok is $120 billion, and its only tax is an income tax with a marginal tax rate of 0.2 a. The balance on the government's budget at a GDP level of $410 billion is a (Click to select) v of $ billion. b. The balance on the government's budget at a GDP level of $750 billion is a (Click to select) v Eof $ billion. (Click to select) c. At what level of GDP will the economy of Robok have a balanced budget? deficit surplus Robok will have a balanced budget at a GDP level of $ billion