Question ID:PT58 S1 Q19 Passage:Economist:  Our economy's weakness is the direct result of consumers' continued reluctance to spend, which in turn is caused by factors such as high-priced goods and services. This reluctance is exacerbated by the fact that the average income is significantly lower than it was five years ago. Thus, even though it is not a perfect solution, if the government were to lower income taxes, the economy would improve. Stem:Which one of the following is an assumption required by the economist's argument? Correct Answer Choice:DChoice A:Increasing consumer spending will cause prices for goods and services to decrease. Choice B:If consumer spending increases, the average income will increase. Choice C:If income taxes are not lowered, consumers' wages will decline even further. Choice D:Consumers will be less reluctant to spend money if income taxes are lowered. Choice E:Lowering income taxes will have no effect on government spending.