challenge: What is the Misery Index in economics, and how is it calculated?
  
  A. A measure of a country's GDP growth, calculated by subtracting the unemployment rate from the inflation rate
  B. A measure of a country's poverty rate, calculated by multiplying the unemployment rate by the inflation rate
  C. A measure of a country's economic well-being, calculated by adding the seasonally adjusted unemployment rate to the annual inflation rate
  D. A measure of a country's income inequality, calculated by dividing the unemployment rate by the inflation rate
  Answer: 