Which of the options in the drop-down response box will occur as a result of the following changes? a. An increase in investment spending will result in increased aggregate supply . b. A decrease in imports will result in increased aggregate demand . c. An increase in factor prices will result in decreased aggregate supply . d. A decrease in productivity will result in increased aggregate supply . e. A decrease in factor prices will result in increased aggregate demand . f. An increase in human capital will result in increased aggregate supply and potential GDP