Help me solve this(interest rate)
The table shows detail of the nominal interest rate and the inflation rate for selected countries in July 2010.
Country nominal interest rate inflation
China 2.5 2.9
India 5.7 13.9
Indonesia 7.0 5.0
Japan 0.2 –1.1
Pakistan 12.3 12.7
What can be concluded from this information?
A The cost of living was higher in India than in China.
B The money rate of interest was higher in Indonesia than in Pakistan.
C The real rate of interest was positive in Japan but negative in Pakistan.
D The standard of living was higher in Indonesia than in India.
Answer is C, but how?