Explain which of the following is a positive or a normative statement.
(a) Like Los Angeles, the minimum wage rate across the country should be $15 per hour.
(b) According to a survey, the average salaries of fortune 500 CEOs are approximately $16 million per year.
(c) After the Great Recession the unemployment rate has gradually declined and it is around 5% now.
(d) Most Americans think the inflation rate should not exceed 2 per cent.