z 2 1 Saved Given the following information about each economy, either calculate the missing variable or determine that it cannot be calculated: Instructions: Enter your answer as a whole number. If you are entering a negative number be sure to include a negative sign (-) in front of that number. a. Suppose C = $20.1 billion, I = $3.5 billion, G = $5.2 billion, and NX = $-1 billion. Total income is (Click to select) v b. Suppose total income is $1.1 trillion, G = $0.4 trillion, and C = $0.6 trillion. I is (Click to select) c. Suppose total expenditure is $677 billion, C = $437 billion, I = $115 billion, and G = $85 billion. NX is: $ billion. Exports (Click to select) v