Question ID:PT67 S2 Q6 Passage:The profitability of a business is reduced by anything that undermines employee morale. This is why paying senior staff with stock options, which allows them to earn more when the enterprise prospers, is not a wise policy because it increases dramatically the difference in income between senior staff and employees who are paid only a fixed salary. Stem:Which one of the following is an assumption on which the argument depends? Correct Answer Choice:AChoice A:Large income differences between fixed-salary employees and senior staff tend to undermine employee morale. Choice B:Reductions in the profitability of a company are usually due to low employee morale. Choice C:Business firms that pay senior staff with stock options are less profitable than other firms. Choice D:Reducing the difference in income between senior staff and employees paid only a fixed salary invariably increases a company's profitability. Choice E:Employees whose incomes rise as the profits of their employers rise are more productive than those paid only a fixed salary.