What could explain why a decrease in taxes could lead to a​ less-than-proportionate increase in​ output? A. Consumers may choose to save much of the tax cut in anticipation of having to pay higher taxes in the future. B. As a result of diminishing returns to current​ consumption, consumers may choose to spread the extra spending over the long term rather than consuming the proceeds of a tax cut all at once. C. A decrease in taxes will necessitate lower government​ outlays, thus largely offsetting the higher consumption expenditures of households. D. All of the above. E. A and B only.