Identify the tax issue or issues suggested by the following situation, and state each issue in the form of a question. Four years ago, the citizens of Country C complained that the national tax system was too uncertain because the government changed the tax laws so frequently. In response to this criticism, the government enacted a 10-year moratorium on change: No existing tax law can be modified and no new tax law can be enacted for a decade. This year, Country C is experiencing a severe recession. Economic growth is at a standstill, and the national unemployment rate is 18 percent.