On the other hand , if the review had told readers that the projected debt is equal to 6 percent of future income , then nearly all readers would be able to understand its meaning . Using the $ 53 trillion figure is an effective way to scare people , but not to inform them . Perhaps more importantly , virtually the whole debt story is due to projections of exploding health care costs . If per person health care costs in the United States followed the cost path in Germany , Canada , or any other country with better health outcomes than the United States , then the debt problem would be relatively minor .
According to the above context, choose the best option to answer the following question.
Question: What happened before they did a review ?
Options:
- they went to Germany to study healthcare
 - they traced the healthcare outcomes of different countries
 - None of the above choices .
 - they took classes about healthcare


they traced the healthcare outcomes of different countries