The Income-Expenditure Multiplier Is the Effect of a One-Unit Increase

The income-expenditure multiplier is the effect of a one-unit increase in

A) disposable income on consumption.
B) disposable income on short-run equilibrium output.
C) autonomous planned aggregate expenditure on short-run equilibrium output.
D) autonomous planned aggregate expenditure on the output gap.
E) unplanned inventory investment on autonomous planned aggregate expenditurE.