15. Real Economic Activity and Misery. One of the common general measures of national economic health is sometimes referred to as the "misery index," the sum of the country's inflation rate and unemployment rate. Using the previously calculated cross-rates (problem 1), calculate the country's misery index and use it as a relative measure for fore- casting (in the same way as inflation differentials or interest differentials are used to forecast.

a. Japanese yen/U.S. dollar

b. Japanese yen/Australian dollar

c. Australian dollar/U.S. dollar