Tham khảo tài liệu 'gmat official guide 10th edition part 4', ngoại ngữ, kỹ năng đọc tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | that lenders receive higher interest rates for unsecured loans is an illustration of the principle outlined in the passage. Thus choice B is the best answer. None of the other choices gives a clear instance in which increased risk is compensated by the potential for increased return. Choice A does not concern return on investment at all. Choice C is an instance of low return unrelated to risk. In choice D contrary to the principle the rate of return remains constant despite possible variations in risk and choice E also runs counter to the principle if investments in well-established companies entail less risk. 76. If choice E were not assumed the costs of the services of the famous singers of well-known renditions of songs would not be said to affect advertising costs. Since advertising costs are however projected to rise because of the relatively high cost of famous singers services choice E is assumed and is the best answer. Choice A is irrelevant to the argument since famous singers service cost more than imitators anyway. The argument addresses commercials cost not their effectiveness so choice B is not assumed. The argument assumes that some well-known renditions of songs are available but does not require that any versions be unavailable choice C . Since the argument states that advertising firms will stop using imitators choice D is not assumed. 77. The mayor s reasoning rests on assuming that if it costs more to travel to the city by car than by bus people will choose to travel by bus rather than by car. Choice B provides evidence that this assumption is false and is therefore the best answer. Choice A does not undermine the mayor s view that the five-dollar fee will provide an incentive to switch to buses. Choice C makes it unlikely that the bus system will lose current riders if new riders are attracted. Choice D is inappropriate since many drivers not switching to buses is entirely consistent with many people making the switch. Choice E supports the .
