Which of the following would most likely cause a decrease in this country's aggregate output from \[Y_1\] to \[Y_2\]? Choose 1 answer: Choose 1 answer: (Choice A) A decrease in the marginal propensity to consume (MPC) A A decrease in the marginal propensity to consume (MPC) (Choice B) An increase in worker productivity B An increase in worker productivity (Choice C) Increased net exports C Increased net exports (Choice D) A decrease in business confidence D A decrease in business confidence (Choice E) A decrease in commodity prices E A decrease in commodity prices