Could you please solve the question in a detailed way?

2. The Costaguanan stock market provided a rate of return of 98%. The inflation rate in Costaguana during the year was 81%. In Ruritania, in contrast, the stock market return was only 15%, but the inflation rate was only 2%. a. Calculate the real rate of return for both the Costaguana and the Ruritania stock markets. b. Which country's stock market provided the higher real rate of return