Surplus in Balance of Payments (BOP) refers to the excess of _________ .
Total consumption expenditure by households under Keynesian Economics is a combination of __________ and ________ .
Suppose for a hypothetical economy:
\(C = 100 + 0.75Y\) (where \(C\) = Consumption and \(Y\) = Income)
\(I_0 = 400\) (\(I_0\) = Autonomous Investment)
Value of Investment Multiplier (\(K\)) would be ____________ .